67724464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{248987}}^1$

素因数の和:249012

約数の個数: 20

約数和(自身を含む): 138935304

約数和(自身を除く): 71210840

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 248987, 497974, 995948, 1991896, 3983792, 4232779, 8465558, 16931116, 33862232, 67724464]

約数ペア:

[(1, 67724464), (2, 33862232), (4, 16931116), (8, 8465558), (16, 4232779), (17, 3983792), (34, 1991896), (68, 995948), (136, 497974), (272, 248987)]