664216

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 1476000

約数和(自身を除く): 811784

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 409, 812, 818, 1624, 1636, 2863, 3272, 5726, 11452, 11861, 22904, 23722, 47444, 83027, 94888, 166054, 332108, 664216]

約数ペア:

[(1, 664216), (2, 332108), (4, 166054), (7, 94888), (8, 83027), (14, 47444), (28, 23722), (29, 22904), (56, 11861), (58, 11452), (116, 5726), (203, 3272), (232, 2863), (406, 1636), (409, 1624), (812, 818)]