258915745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{12421}}^1$

素因数の和:12816

約数の個数: 16

約数和(自身を含む): 339865920

約数和(自身を除く): 80950175

約数列:

[1, 5, 11, 55, 379, 1895, 4169, 12421, 20845, 62105, 136631, 683155, 4707559, 23537795, 51783149, 258915745]

約数ペア:

[(1, 258915745), (5, 51783149), (11, 23537795), (55, 4707559), (379, 683155), (1895, 136631), (4169, 62105), (12421, 20845)]