87661915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 121824000

約数和(自身を除く): 34162085

約数列:

[1, 5, 11, 19, 55, 95, 149, 209, 563, 745, 1045, 1639, 2815, 2831, 6193, 8195, 10697, 14155, 30965, 31141, 53485, 83887, 117667, 155705, 419435, 588335, 922757, 1593853, 4613785, 7969265, 17532383, 87661915]

約数ペア:

[(1, 87661915), (5, 17532383), (11, 7969265), (19, 4613785), (55, 1593853), (95, 922757), (149, 588335), (209, 419435), (563, 155705), (745, 117667), (1045, 83887), (1639, 53485), (2815, 31141), (2831, 30965), (6193, 14155), (8195, 10697)]