315656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 686880

約数和(自身を除く): 371224

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 211, 374, 422, 748, 844, 1496, 1688, 2321, 3587, 4642, 7174, 9284, 14348, 18568, 28696, 39457, 78914, 157828, 315656]

約数ペア:

[(1, 315656), (2, 157828), (4, 78914), (8, 39457), (11, 28696), (17, 18568), (22, 14348), (34, 9284), (44, 7174), (68, 4642), (88, 3587), (136, 2321), (187, 1688), (211, 1496), (374, 844), (422, 748)]