155220904025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{564439651}}^1$

素因数の和:564439672

約数の個数: 12

約数和(自身を含む): 209971550544

約数和(自身を除く): 54750646519

約数列:

[1, 5, 11, 25, 55, 275, 564439651, 2822198255, 6208836161, 14110991275, 31044180805, 155220904025]

約数ペア:

[(1, 155220904025), (5, 31044180805), (11, 14110991275), (25, 6208836161), (55, 2822198255), (275, 564439651)]