156988259981

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{242923}}^1$

素因数の和:243105

約数の個数: 32

約数和(自身を含む): 194961085440

約数和(自身を除く): 37972825459

約数列:

[1, 7, 19, 43, 113, 133, 301, 791, 817, 2147, 4859, 5719, 15029, 34013, 92321, 242923, 646247, 1700461, 4615537, 10445689, 27450299, 32308759, 73119823, 192152093, 198468091, 521555681, 1180362857, 1389276637, 3650889767, 8262539999, 22426894283, 156988259981]

約数ペア:

[(1, 156988259981), (7, 22426894283), (19, 8262539999), (43, 3650889767), (113, 1389276637), (133, 1180362857), (301, 521555681), (791, 198468091), (817, 192152093), (2147, 73119823), (4859, 32308759), (5719, 27450299), (15029, 10445689), (34013, 4615537), (92321, 1700461), (242923, 646247)]