201220777

素因数分解:

${\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 208538512

約数和(自身を除く): 7317735

約数列:

[1, 73, 97, 157, 181, 7081, 11461, 13213, 15229, 17557, 28417, 1111717, 1281661, 2074441, 2756449, 201220777]

約数ペア:

[(1, 201220777), (73, 2756449), (97, 2074441), (157, 1281661), (181, 1111717), (7081, 28417), (11461, 17557), (13213, 15229)]