28562261

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 9741739

約数列:

[1, 7, 13, 17, 37, 91, 119, 221, 259, 481, 499, 629, 1547, 3367, 3493, 4403, 6487, 8177, 8483, 18463, 45409, 57239, 59381, 110279, 129241, 240019, 313871, 771953, 1680133, 2197097, 4080323, 28562261]

約数ペア:

[(1, 28562261), (7, 4080323), (13, 2197097), (17, 1680133), (37, 771953), (91, 313871), (119, 240019), (221, 129241), (259, 110279), (481, 59381), (499, 57239), (629, 45409), (1547, 18463), (3367, 8483), (3493, 8177), (4403, 6487)]