167720255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{3637}}^1$

素因数の和:4066

約数の個数: 16

約数和(自身を含む): 210596544

約数和(自身を除く): 42876289

約数列:

[1, 5, 23, 115, 401, 2005, 3637, 9223, 18185, 46115, 83651, 418255, 1458437, 7292185, 33544051, 167720255]

約数ペア:

[(1, 167720255), (5, 33544051), (23, 7292185), (115, 1458437), (401, 418255), (2005, 83651), (3637, 46115), (9223, 18185)]