11981315

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 14763936

約数和(自身を除く): 2782621

約数列:

[1, 5, 61, 163, 241, 305, 815, 1205, 9943, 14701, 39283, 49715, 73505, 196415, 2396263, 11981315]

約数ペア:

[(1, 11981315), (5, 2396263), (61, 196415), (163, 73505), (241, 49715), (305, 39283), (815, 14701), (1205, 9943)]