68320688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{251179}}^1$

素因数の和:251204

約数の個数: 20

約数和(自身を含む): 140158440

約数和(自身を除く): 71837752

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 251179, 502358, 1004716, 2009432, 4018864, 4270043, 8540086, 17080172, 34160344, 68320688]

約数ペア:

[(1, 68320688), (2, 34160344), (4, 17080172), (8, 8540086), (16, 4270043), (17, 4018864), (34, 2009432), (68, 1004716), (136, 502358), (272, 251179)]