631312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 1419552

約数和(自身を除く): 788240

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 211, 272, 374, 422, 748, 844, 1496, 1688, 2321, 2992, 3376, 3587, 4642, 7174, 9284, 14348, 18568, 28696, 37136, 39457, 57392, 78914, 157828, 315656, 631312]

約数ペア:

[(1, 631312), (2, 315656), (4, 157828), (8, 78914), (11, 57392), (16, 39457), (17, 37136), (22, 28696), (34, 18568), (44, 14348), (68, 9284), (88, 7174), (136, 4642), (176, 3587), (187, 3376), (211, 2992), (272, 2321), (374, 1688), (422, 1496), (748, 844)]