281566428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 818872320

約数和(自身を除く): 537305892

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 31, 33, 39, 44, 52, 62, 66, 67, 78, 79, 93, 124, 132, 134, 143, 156, 158, 186, 201, 237, 268, 286, 316, 341, 372, 402, 403, 429, 474, 572, 682, 737, 804, 806, 858, 869, 871, 948, 1023, 1027, 1209, 1364, 1474, 1612, 1716, 1738, 1742, 2046, 2054, 2077, 2211, 2418, 2449, 2607, 2613, 2948, 3081, 3476, 3484, 4092, 4108, 4154, 4422, 4433, 4836, 4898, 5214, 5226, 5293, 6162, 6231, 7347, 8308, 8844, 8866, 9581, 9796, 10428, 10452, 10586, 11297, 12324, 12462, 13299, 14694, 15879, 17732, 19162, 21172, 22594, 22847, 24924, 26598, 26939, 27001, 28743, 29388, 31758, 31837, 33891, 38324, 45188, 45694, 53196, 53878, 54002, 57486, 58223, 63516, 63674, 67782, 68541, 68809, 80817, 81003, 91388, 95511, 107756, 108004, 114972, 116446, 127348, 135564, 137082, 137618, 161634, 162006, 164083, 174669, 191022, 206427, 232892, 274164, 275236, 297011, 323268, 324012, 328166, 349338, 350207, 382044, 412854, 492249, 594022, 656332, 698676, 700414, 756899, 825708, 891033, 984498, 1050621, 1188044, 1400828, 1513798, 1782066, 1804913, 1968996, 2101242, 2133079, 2270697, 3027596, 3564132, 3609826, 4202484, 4266158, 4541394, 5414739, 6399237, 7219652, 8532316, 9082788, 10829478, 12798474, 21658956, 23463869, 25596948, 46927738, 70391607, 93855476, 140783214, 281566428]

約数ペア:

[(1, 281566428), (2, 140783214), (3, 93855476), (4, 70391607), (6, 46927738), (11, 25596948), (12, 23463869), (13, 21658956), (22, 12798474), (26, 10829478), (31, 9082788), (33, 8532316), (39, 7219652), (44, 6399237), (52, 5414739), (62, 4541394), (66, 4266158), (67, 4202484), (78, 3609826), (79, 3564132), (93, 3027596), (124, 2270697), (132, 2133079), (134, 2101242), (143, 1968996), (156, 1804913), (158, 1782066), (186, 1513798), (201, 1400828), (237, 1188044), (268, 1050621), (286, 984498), (316, 891033), (341, 825708), (372, 756899), (402, 700414), (403, 698676), (429, 656332), (474, 594022), (572, 492249), (682, 412854), (737, 382044), (804, 350207), (806, 349338), (858, 328166), (869, 324012), (871, 323268), (948, 297011), (1023, 275236), (1027, 274164), (1209, 232892), (1364, 206427), (1474, 191022), (1612, 174669), (1716, 164083), (1738, 162006), (1742, 161634), (2046, 137618), (2054, 137082), (2077, 135564), (2211, 127348), (2418, 116446), (2449, 114972), (2607, 108004), (2613, 107756), (2948, 95511), (3081, 91388), (3476, 81003), (3484, 80817), (4092, 68809), (4108, 68541), (4154, 67782), (4422, 63674), (4433, 63516), (4836, 58223), (4898, 57486), (5214, 54002), (5226, 53878), (5293, 53196), (6162, 45694), (6231, 45188), (7347, 38324), (8308, 33891), (8844, 31837), (8866, 31758), (9581, 29388), (9796, 28743), (10428, 27001), (10452, 26939), (10586, 26598), (11297, 24924), (12324, 22847), (12462, 22594), (13299, 21172), (14694, 19162), (15879, 17732)]