31531630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{242551}}^1$

素因数の和:242571

約数の個数: 16

約数和(自身を含む): 61123104

約数和(自身を除く): 29591474

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 242551, 485102, 1212755, 2425510, 3153163, 6306326, 15765815, 31531630]

約数ペア:

[(1, 31531630), (2, 15765815), (5, 6306326), (10, 3153163), (13, 2425510), (26, 1212755), (65, 485102), (130, 242551)]