1581199490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{935621}}^1$

素因数の和:935654

約数の個数: 24

約数和(自身を含む): 3081938868

約数和(自身を除く): 1500739378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 935621, 1871242, 4678105, 9356210, 12163073, 24326146, 60815365, 121630730, 158119949, 316239898, 790599745, 1581199490]

約数ペア:

[(1, 1581199490), (2, 790599745), (5, 316239898), (10, 158119949), (13, 121630730), (26, 60815365), (65, 24326146), (130, 12163073), (169, 9356210), (338, 4678105), (845, 1871242), (1690, 935621)]