11987381

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 14169600

約数和(自身を除く): 2182219

約数列:

[1, 7, 53, 79, 371, 409, 553, 2863, 4187, 21677, 29309, 32311, 151739, 226177, 1712483, 11987381]

約数ペア:

[(1, 11987381), (7, 1712483), (53, 226177), (79, 151739), (371, 32311), (409, 29309), (553, 21677), (2863, 4187)]