26251615

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 34890048

約数和(自身を除く): 8638433

約数列:

[1, 5, 13, 47, 65, 169, 235, 611, 661, 845, 3055, 3305, 7943, 8593, 31067, 39715, 42965, 111709, 155335, 403871, 558545, 2019355, 5250323, 26251615]

約数ペア:

[(1, 26251615), (5, 5250323), (13, 2019355), (47, 558545), (65, 403871), (169, 155335), (235, 111709), (611, 42965), (661, 39715), (845, 31067), (3055, 8593), (3305, 7943)]