13912865

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 17231808

約数和(自身を除く): 3318943

約数列:

[1, 5, 43, 163, 215, 397, 815, 1985, 7009, 17071, 35045, 64711, 85355, 323555, 2782573, 13912865]

約数ペア:

[(1, 13912865), (5, 2782573), (43, 323555), (163, 85355), (215, 64711), (397, 35045), (815, 17071), (1985, 7009)]