39878748

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 132455232

約数和(自身を除く): 92576484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 37, 39, 42, 47, 49, 52, 63, 74, 78, 84, 91, 94, 98, 111, 117, 126, 141, 147, 148, 156, 182, 188, 196, 222, 234, 252, 259, 273, 282, 294, 329, 333, 364, 423, 441, 444, 468, 481, 518, 546, 564, 588, 611, 637, 658, 666, 777, 819, 846, 882, 962, 987, 1036, 1092, 1222, 1274, 1316, 1332, 1443, 1554, 1638, 1692, 1739, 1764, 1813, 1833, 1911, 1924, 1974, 2303, 2331, 2444, 2548, 2886, 2961, 3108, 3276, 3367, 3478, 3626, 3666, 3822, 3948, 4277, 4329, 4606, 4662, 5217, 5439, 5499, 5733, 5772, 5922, 6734, 6909, 6956, 7252, 7332, 7644, 8554, 8658, 9212, 9324, 10101, 10434, 10878, 10998, 11466, 11844, 12173, 12831, 13468, 13818, 15651, 16317, 17108, 17316, 20202, 20727, 20868, 21756, 21996, 22607, 22932, 23569, 24346, 25662, 27636, 29939, 30303, 31302, 32634, 36519, 38493, 40404, 41454, 45214, 47138, 48692, 51324, 59878, 60606, 62604, 65268, 67821, 70707, 73038, 76986, 82908, 85211, 89817, 90428, 94276, 109557, 119756, 121212, 135642, 141414, 146076, 153972, 158249, 170422, 179634, 203463, 212121, 219114, 255633, 269451, 271284, 282828, 316498, 340844, 359268, 406926, 424242, 438228, 474747, 511266, 538902, 632996, 766899, 813852, 848484, 949494, 1022532, 1077804, 1107743, 1424241, 1533798, 1898988, 2215486, 2848482, 3067596, 3323229, 4430972, 5696964, 6646458, 9969687, 13292916, 19939374, 39878748]

約数ペア:

[(1, 39878748), (2, 19939374), (3, 13292916), (4, 9969687), (6, 6646458), (7, 5696964), (9, 4430972), (12, 3323229), (13, 3067596), (14, 2848482), (18, 2215486), (21, 1898988), (26, 1533798), (28, 1424241), (36, 1107743), (37, 1077804), (39, 1022532), (42, 949494), (47, 848484), (49, 813852), (52, 766899), (63, 632996), (74, 538902), (78, 511266), (84, 474747), (91, 438228), (94, 424242), (98, 406926), (111, 359268), (117, 340844), (126, 316498), (141, 282828), (147, 271284), (148, 269451), (156, 255633), (182, 219114), (188, 212121), (196, 203463), (222, 179634), (234, 170422), (252, 158249), (259, 153972), (273, 146076), (282, 141414), (294, 135642), (329, 121212), (333, 119756), (364, 109557), (423, 94276), (441, 90428), (444, 89817), (468, 85211), (481, 82908), (518, 76986), (546, 73038), (564, 70707), (588, 67821), (611, 65268), (637, 62604), (658, 60606), (666, 59878), (777, 51324), (819, 48692), (846, 47138), (882, 45214), (962, 41454), (987, 40404), (1036, 38493), (1092, 36519), (1222, 32634), (1274, 31302), (1316, 30303), (1332, 29939), (1443, 27636), (1554, 25662), (1638, 24346), (1692, 23569), (1739, 22932), (1764, 22607), (1813, 21996), (1833, 21756), (1911, 20868), (1924, 20727), (1974, 20202), (2303, 17316), (2331, 17108), (2444, 16317), (2548, 15651), (2886, 13818), (2961, 13468), (3108, 12831), (3276, 12173), (3367, 11844), (3478, 11466), (3626, 10998), (3666, 10878), (3822, 10434), (3948, 10101), (4277, 9324), (4329, 9212), (4606, 8658), (4662, 8554), (5217, 7644), (5439, 7332), (5499, 7252), (5733, 6956), (5772, 6909), (5922, 6734)]