291239172

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 288

約数和(自身を含む): 968253440

約数和(自身を除く): 677014268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 31, 34, 36, 42, 43, 51, 54, 62, 63, 68, 84, 86, 93, 102, 108, 119, 124, 126, 129, 153, 172, 186, 189, 204, 217, 238, 252, 258, 279, 289, 301, 306, 357, 372, 378, 387, 434, 459, 476, 516, 527, 558, 578, 602, 612, 651, 714, 731, 756, 774, 837, 867, 868, 903, 918, 1054, 1071, 1116, 1156, 1161, 1204, 1302, 1333, 1428, 1462, 1548, 1581, 1674, 1734, 1806, 1836, 1953, 2023, 2108, 2142, 2193, 2322, 2601, 2604, 2666, 2709, 2924, 3162, 3213, 3348, 3468, 3612, 3689, 3906, 3999, 4046, 4284, 4386, 4644, 4743, 5117, 5202, 5332, 5418, 5859, 6069, 6324, 6426, 6579, 7378, 7803, 7812, 7998, 8092, 8127, 8772, 8959, 9331, 9486, 10234, 10404, 10836, 11067, 11718, 11997, 12138, 12427, 12852, 13158, 14229, 14756, 15351, 15606, 15996, 16254, 17918, 18207, 18662, 18972, 19737, 20468, 22134, 22661, 23436, 23994, 24276, 24854, 26316, 26877, 27993, 28458, 30702, 31212, 32508, 33201, 35836, 35991, 36414, 37281, 37324, 39474, 44268, 45322, 46053, 47988, 49708, 53754, 54621, 55986, 56916, 61404, 62713, 66402, 67983, 71982, 72828, 74562, 78948, 80631, 83979, 86989, 90644, 92106, 99603, 107508, 109242, 111843, 111972, 125426, 132804, 135966, 138159, 143964, 149124, 158627, 161262, 167958, 173978, 184212, 188139, 199206, 203949, 218484, 223686, 241893, 250852, 251937, 260967, 271932, 276318, 317254, 322524, 335529, 335916, 347956, 376278, 385237, 398412, 407898, 447372, 475881, 483786, 503874, 521934, 552636, 564417, 611847, 634508, 671058, 752556, 770474, 782901, 815796, 951762, 967572, 1007748, 1043868, 1128834, 1155711, 1223694, 1342116, 1427643, 1540948, 1565802, 1693251, 1903524, 2257668, 2311422, 2348703, 2447388, 2696659, 2855286, 3131604, 3386502, 3467133, 4282929, 4622844, 4697406, 5393318, 5710572, 6773004, 6934266, 8089977, 8565858, 9394812, 10401399, 10786636, 13868532, 16179954, 17131716, 20802798, 24269931, 32359908, 41605596, 48539862, 72809793, 97079724, 145619586, 291239172]

約数ペア:

[(1, 291239172), (2, 145619586), (3, 97079724), (4, 72809793), (6, 48539862), (7, 41605596), (9, 32359908), (12, 24269931), (14, 20802798), (17, 17131716), (18, 16179954), (21, 13868532), (27, 10786636), (28, 10401399), (31, 9394812), (34, 8565858), (36, 8089977), (42, 6934266), (43, 6773004), (51, 5710572), (54, 5393318), (62, 4697406), (63, 4622844), (68, 4282929), (84, 3467133), (86, 3386502), (93, 3131604), (102, 2855286), (108, 2696659), (119, 2447388), (124, 2348703), (126, 2311422), (129, 2257668), (153, 1903524), (172, 1693251), (186, 1565802), (189, 1540948), (204, 1427643), (217, 1342116), (238, 1223694), (252, 1155711), (258, 1128834), (279, 1043868), (289, 1007748), (301, 967572), (306, 951762), (357, 815796), (372, 782901), (378, 770474), (387, 752556), (434, 671058), (459, 634508), (476, 611847), (516, 564417), (527, 552636), (558, 521934), (578, 503874), (602, 483786), (612, 475881), (651, 447372), (714, 407898), (731, 398412), (756, 385237), (774, 376278), (837, 347956), (867, 335916), (868, 335529), (903, 322524), (918, 317254), (1054, 276318), (1071, 271932), (1116, 260967), (1156, 251937), (1161, 250852), (1204, 241893), (1302, 223686), (1333, 218484), (1428, 203949), (1462, 199206), (1548, 188139), (1581, 184212), (1674, 173978), (1734, 167958), (1806, 161262), (1836, 158627), (1953, 149124), (2023, 143964), (2108, 138159), (2142, 135966), (2193, 132804), (2322, 125426), (2601, 111972), (2604, 111843), (2666, 109242), (2709, 107508), (2924, 99603), (3162, 92106), (3213, 90644), (3348, 86989), (3468, 83979), (3612, 80631), (3689, 78948), (3906, 74562), (3999, 72828), (4046, 71982), (4284, 67983), (4386, 66402), (4644, 62713), (4743, 61404), (5117, 56916), (5202, 55986), (5332, 54621), (5418, 53754), (5859, 49708), (6069, 47988), (6324, 46053), (6426, 45322), (6579, 44268), (7378, 39474), (7803, 37324), (7812, 37281), (7998, 36414), (8092, 35991), (8127, 35836), (8772, 33201), (8959, 32508), (9331, 31212), (9486, 30702), (10234, 28458), (10404, 27993), (10836, 26877), (11067, 26316), (11718, 24854), (11997, 24276), (12138, 23994), (12427, 23436), (12852, 22661), (13158, 22134), (14229, 20468), (14756, 19737), (15351, 18972), (15606, 18662), (15996, 18207), (16254, 17918)]