49978825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2605

約数の個数: 24

約数和(自身を含む): 67861976

約数和(自身を除く): 17883151

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 1525, 2521, 3965, 12605, 19825, 32773, 63025, 153781, 163865, 768905, 819325, 1999153, 3844525, 9995765, 49978825]

約数ペア:

[(1, 49978825), (5, 9995765), (13, 3844525), (25, 1999153), (61, 819325), (65, 768905), (305, 163865), (325, 153781), (793, 63025), (1525, 32773), (2521, 19825), (3965, 12605)]