131178007390

素因数分解:

$2^1\times 5^1\times {\mathrm{4391}}^1\times {\mathrm{2987429}}^1$

素因数の和:2991827

約数の個数: 16

約数和(自身を含む): 236174266080

約数和(自身を除く): 104996258690

約数列:

[1, 2, 5, 10, 4391, 8782, 21955, 43910, 2987429, 5974858, 14937145, 29874290, 13117800739, 26235601478, 65589003695, 131178007390]

約数ペア:

[(1, 131178007390), (2, 65589003695), (5, 26235601478), (10, 13117800739), (4391, 29874290), (8782, 14937145), (21955, 5974858), (43910, 2987429)]