12515425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 16927736

約数和(自身を除く): 4412311

約数列:

[1, 5, 13, 25, 65, 97, 325, 397, 485, 1261, 1985, 2425, 5161, 6305, 9925, 25805, 31525, 38509, 129025, 192545, 500617, 962725, 2503085, 12515425]

約数ペア:

[(1, 12515425), (5, 2503085), (13, 962725), (25, 500617), (65, 192545), (97, 129025), (325, 38509), (397, 31525), (485, 25805), (1261, 9925), (1985, 6305), (2425, 5161)]