15663851

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 4657429

約数列:

[1, 7, 17, 23, 59, 97, 119, 161, 391, 413, 679, 1003, 1357, 1649, 2231, 2737, 5723, 7021, 9499, 11543, 15617, 23069, 37927, 40061, 97291, 131629, 161483, 265489, 681037, 921403, 2237693, 15663851]

約数ペア:

[(1, 15663851), (7, 2237693), (17, 921403), (23, 681037), (59, 265489), (97, 161483), (119, 131629), (161, 97291), (391, 40061), (413, 37927), (679, 23069), (1003, 15617), (1357, 11543), (1649, 9499), (2231, 7021), (2737, 5723)]