667604

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 1353408

約数和(自身を除く): 685804

約数列:

[1, 2, 4, 7, 14, 28, 113, 211, 226, 422, 452, 791, 844, 1477, 1582, 2954, 3164, 5908, 23843, 47686, 95372, 166901, 333802, 667604]

約数ペア:

[(1, 667604), (2, 333802), (4, 166901), (7, 95372), (14, 47686), (28, 23843), (113, 5908), (211, 3164), (226, 2954), (422, 1582), (452, 1477), (791, 844)]