1330971890

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{325421}}^1$

素因数の和:325837

約数の個数: 16

約数和(自身を含む): 2401614360

約数和(自身を除く): 1070642470

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 325421, 650842, 1627105, 3254210, 133097189, 266194378, 665485945, 1330971890]

約数ペア:

[(1, 1330971890), (2, 665485945), (5, 266194378), (10, 133097189), (409, 3254210), (818, 1627105), (2045, 650842), (4090, 325421)]