15120908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{857}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 28972944

約数和(自身を除く): 13852036

約数列:

[1, 2, 4, 11, 22, 44, 401, 802, 857, 1604, 1714, 3428, 4411, 8822, 9427, 17644, 18854, 37708, 343657, 687314, 1374628, 3780227, 7560454, 15120908]

約数ペア:

[(1, 15120908), (2, 7560454), (4, 3780227), (11, 1374628), (22, 687314), (44, 343657), (401, 37708), (802, 18854), (857, 17644), (1604, 9427), (1714, 8822), (3428, 4411)]