87646325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4421}}^1$

素因数の和:4505

約数の個数: 24

約数和(自身を含む): 118987176

約数和(自身を除く): 31340851

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 1525, 3965, 4421, 19825, 22105, 57473, 110525, 269681, 287365, 1348405, 1436825, 3505853, 6742025, 17529265, 87646325]

約数ペア:

[(1, 87646325), (5, 17529265), (13, 6742025), (25, 3505853), (61, 1436825), (65, 1348405), (305, 287365), (325, 269681), (793, 110525), (1525, 57473), (3965, 22105), (4421, 19825)]