261620188788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{877}}^1\times {\mathrm{16831}}^1$

素因数の和:17933

約数の個数: 96

約数和(自身を含む): 701801218048

約数和(自身を除く): 440181029260

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 877, 1266, 1477, 1754, 2532, 2631, 2954, 3508, 4431, 5262, 5908, 6139, 8862, 10524, 12278, 16831, 17724, 18417, 24556, 33662, 36834, 50493, 67324, 73668, 100986, 117817, 185047, 201972, 235634, 353451, 370094, 471268, 555141, 706902, 740188, 1110282, 1295329, 1413804, 2220564, 2590658, 3551341, 3885987, 5181316, 7102682, 7771974, 10654023, 14205364, 14760787, 15543948, 21308046, 24859387, 29521574, 42616092, 44282361, 49718774, 59043148, 74578161, 88564722, 99437548, 103325509, 149156322, 177129444, 206651018, 298312644, 309976527, 413302036, 619953054, 1239906108, 3114526057, 6229052114, 9343578171, 12458104228, 18687156342, 21801682399, 37374312684, 43603364798, 65405047197, 87206729596, 130810094394, 261620188788]

約数ペア:

[(1, 261620188788), (2, 130810094394), (3, 87206729596), (4, 65405047197), (6, 43603364798), (7, 37374312684), (12, 21801682399), (14, 18687156342), (21, 12458104228), (28, 9343578171), (42, 6229052114), (84, 3114526057), (211, 1239906108), (422, 619953054), (633, 413302036), (844, 309976527), (877, 298312644), (1266, 206651018), (1477, 177129444), (1754, 149156322), (2532, 103325509), (2631, 99437548), (2954, 88564722), (3508, 74578161), (4431, 59043148), (5262, 49718774), (5908, 44282361), (6139, 42616092), (8862, 29521574), (10524, 24859387), (12278, 21308046), (16831, 15543948), (17724, 14760787), (18417, 14205364), (24556, 10654023), (33662, 7771974), (36834, 7102682), (50493, 5181316), (67324, 3885987), (73668, 3551341), (100986, 2590658), (117817, 2220564), (185047, 1413804), (201972, 1295329), (235634, 1110282), (353451, 740188), (370094, 706902), (471268, 555141)]