56215555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{32971}}^1$

素因数の和:33018

約数の個数: 16

約数和(自身を含む): 75967488

約数和(自身を除く): 19751933

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 32971, 164855, 362681, 1022101, 1813405, 5110505, 11243111, 56215555]

約数ペア:

[(1, 56215555), (5, 11243111), (11, 5110505), (31, 1813405), (55, 1022101), (155, 362681), (341, 164855), (1705, 32971)]