424450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:678

約数の個数: 24

約数和(自身を含む): 851508

約数和(自身を除く): 427058

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 653, 1306, 3265, 6530, 8489, 16325, 16978, 32650, 42445, 84890, 212225, 424450]

約数ペア:

[(1, 424450), (2, 212225), (5, 84890), (10, 42445), (13, 32650), (25, 16978), (26, 16325), (50, 8489), (65, 6530), (130, 3265), (325, 1306), (650, 653)]