15131690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{30881}}^1$

素因数の和:30902

約数の個数: 24

約数和(自身を含む): 31684932

約数和(自身を除く): 16553242

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 30881, 61762, 154405, 216167, 308810, 432334, 1080835, 1513169, 2161670, 3026338, 7565845, 15131690]

約数ペア:

[(1, 15131690), (2, 7565845), (5, 3026338), (7, 2161670), (10, 1513169), (14, 1080835), (35, 432334), (49, 308810), (70, 216167), (98, 154405), (245, 61762), (490, 30881)]