28369390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{405277}}^1$

素因数の和:405291

約数の個数: 16

約数和(自身を含む): 58360032

約数和(自身を除く): 29990642

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 405277, 810554, 2026385, 2836939, 4052770, 5673878, 14184695, 28369390]

約数ペア:

[(1, 28369390), (2, 14184695), (5, 5673878), (7, 4052770), (10, 2836939), (14, 2026385), (35, 810554), (70, 405277)]