4248725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 6015240

約数和(自身を除く): 1766515

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 769, 1105, 3845, 5525, 9997, 13073, 19225, 49985, 65365, 169949, 249925, 326825, 849745, 4248725]

約数ペア:

[(1, 4248725), (5, 849745), (13, 326825), (17, 249925), (25, 169949), (65, 65365), (85, 49985), (221, 19225), (325, 13073), (425, 9997), (769, 5525), (1105, 3845)]