1333016890

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{325921}}^1$

素因数の和:326337

約数の個数: 16

約数和(自身を含む): 2405304360

約数和(自身を除く): 1072287470

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 325921, 651842, 1629605, 3259210, 133301689, 266603378, 666508445, 1333016890]

約数ペア:

[(1, 1333016890), (2, 666508445), (5, 266603378), (10, 133301689), (409, 3259210), (818, 1629605), (2045, 651842), (4090, 325921)]