656561412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{857}}^1\times {\mathrm{1637}}^1$

素因数の和:2517

約数の個数: 72

約数和(自身を含む): 1790484696

約数和(自身を除く): 1133923284

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 857, 1637, 1714, 2571, 3274, 3428, 4911, 5142, 6548, 7713, 9822, 10284, 11141, 14733, 15426, 19644, 21281, 22282, 29466, 30852, 33423, 42562, 44564, 58932, 63843, 66846, 85124, 100269, 127686, 133692, 191529, 200538, 255372, 383058, 401076, 766116, 1402909, 2805818, 4208727, 5611636, 8417454, 12626181, 16834908, 18237817, 25252362, 36475634, 50504724, 54713451, 72951268, 109426902, 164140353, 218853804, 328280706, 656561412]

約数ペア:

[(1, 656561412), (2, 328280706), (3, 218853804), (4, 164140353), (6, 109426902), (9, 72951268), (12, 54713451), (13, 50504724), (18, 36475634), (26, 25252362), (36, 18237817), (39, 16834908), (52, 12626181), (78, 8417454), (117, 5611636), (156, 4208727), (234, 2805818), (468, 1402909), (857, 766116), (1637, 401076), (1714, 383058), (2571, 255372), (3274, 200538), (3428, 191529), (4911, 133692), (5142, 127686), (6548, 100269), (7713, 85124), (9822, 66846), (10284, 63843), (11141, 58932), (14733, 44564), (15426, 42562), (19644, 33423), (21281, 30852), (22282, 29466)]