12831775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 17967600

約数和(自身を除く): 5135825

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 1609, 7975, 8045, 17699, 40225, 46661, 88495, 233305, 442475, 513271, 1166525, 2566355, 12831775]

約数ペア:

[(1, 12831775), (5, 2566355), (11, 1166525), (25, 513271), (29, 442475), (55, 233305), (145, 88495), (275, 46661), (319, 40225), (725, 17699), (1595, 8045), (1609, 7975)]