259821961

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{5623}}^1$

素因数の和:5701

約数の個数: 24

約数和(自身を含む): 323132544

約数和(自身を除く): 63310583

約数列:

[1, 7, 23, 41, 49, 161, 287, 943, 1127, 2009, 5623, 6601, 39361, 46207, 129329, 230543, 275527, 905303, 1613801, 5302489, 6337121, 11296607, 37117423, 259821961]

約数ペア:

[(1, 259821961), (7, 37117423), (23, 11296607), (41, 6337121), (49, 5302489), (161, 1613801), (287, 905303), (943, 275527), (1127, 230543), (2009, 129329), (5623, 46207), (6601, 39361)]