15987029405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1\times {\mathrm{5107}}^1$

素因数の和:5465

約数の個数: 32

約数和(自身を含む): 20265928704

約数和(自身を除く): 4278899299

約数列:

[1, 5, 23, 115, 163, 167, 815, 835, 3749, 3841, 5107, 18745, 19205, 25535, 27221, 117461, 136105, 587305, 626083, 832441, 852869, 3130415, 4162205, 4264345, 19146143, 19615987, 95730715, 98079935, 139017647, 695088235, 3197405881, 15987029405]

約数ペア:

[(1, 15987029405), (5, 3197405881), (23, 695088235), (115, 139017647), (163, 98079935), (167, 95730715), (815, 19615987), (835, 19146143), (3749, 4264345), (3841, 4162205), (5107, 3130415), (18745, 852869), (19205, 832441), (25535, 626083), (27221, 587305), (117461, 136105)]