13171690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{26881}}^1$

素因数の和:26902

約数の個数: 24

約数和(自身を含む): 27580932

約数和(自身を除く): 14409242

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 26881, 53762, 134405, 188167, 268810, 376334, 940835, 1317169, 1881670, 2634338, 6585845, 13171690]

約数ペア:

[(1, 13171690), (2, 6585845), (5, 2634338), (7, 1881670), (10, 1317169), (14, 940835), (35, 376334), (49, 268810), (70, 188167), (98, 134405), (245, 53762), (490, 26881)]