319640255

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{5231}}^1$

素因数の和:5359

約数の個数: 24

約数和(自身を含む): 425863872

約数和(自身を除く): 106223617

約数列:

[1, 5, 11, 55, 101, 121, 505, 605, 1111, 5231, 5555, 12221, 26155, 57541, 61105, 287705, 528331, 632951, 2641655, 3164755, 5811641, 29058205, 63928051, 319640255]

約数ペア:

[(1, 319640255), (5, 63928051), (11, 29058205), (55, 5811641), (101, 3164755), (121, 2641655), (505, 632951), (605, 528331), (1111, 287705), (5231, 61105), (5555, 57541), (12221, 26155)]