15961972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3449}}^1$

素因数の和:3555

約数の個数: 24

約数和(自身を含む): 30429000

約数和(自身を除く): 14467028

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 3449, 4628, 6898, 13796, 44837, 89674, 179348, 306961, 613922, 1227844, 3990493, 7980986, 15961972]

約数ペア:

[(1, 15961972), (2, 7980986), (4, 3990493), (13, 1227844), (26, 613922), (52, 306961), (89, 179348), (178, 89674), (356, 44837), (1157, 13796), (2314, 6898), (3449, 4628)]