31980830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{65267}}^1$

素因数の和:65288

約数の個数: 24

約数和(自身を含む): 66964968

約数和(自身を除く): 34984138

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 65267, 130534, 326335, 456869, 652670, 913738, 2284345, 3198083, 4568690, 6396166, 15990415, 31980830]

約数ペア:

[(1, 31980830), (2, 15990415), (5, 6396166), (7, 4568690), (10, 3198083), (14, 2284345), (35, 913738), (49, 652670), (70, 456869), (98, 326335), (245, 130534), (490, 65267)]