251130815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1\times {\mathrm{4241}}^1$

素因数の和:5170

約数の個数: 16

約数和(自身を含む): 324971136

約数和(自身を除く): 73840321

約数列:

[1, 5, 13, 65, 911, 4241, 4555, 11843, 21205, 55133, 59215, 275665, 3863551, 19317755, 50226163, 251130815]

約数ペア:

[(1, 251130815), (5, 50226163), (13, 19317755), (65, 3863551), (911, 275665), (4241, 59215), (4555, 55133), (11843, 21205)]