156968905

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{4723}}^1$

素因数の和:4785

約数の個数: 24

約数和(自身を含む): 208838592

約数和(自身を除く): 51869687

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 1445, 1955, 4723, 6647, 23615, 33235, 80291, 108629, 401455, 543145, 1364947, 1846693, 6824735, 9233465, 31393781, 156968905]

約数ペア:

[(1, 156968905), (5, 31393781), (17, 9233465), (23, 6824735), (85, 1846693), (115, 1364947), (289, 543145), (391, 401455), (1445, 108629), (1955, 80291), (4723, 33235), (6647, 23615)]