12918725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 17175240

約数和(自身を除く): 4256515

約数列:

[1, 5, 17, 25, 85, 113, 269, 425, 565, 1345, 1921, 2825, 4573, 6725, 9605, 22865, 30397, 48025, 114325, 151985, 516749, 759925, 2583745, 12918725]

約数ペア:

[(1, 12918725), (5, 2583745), (17, 759925), (25, 516749), (85, 151985), (113, 114325), (269, 48025), (425, 30397), (565, 22865), (1345, 9605), (1921, 6725), (2825, 4573)]