80812738

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 131883840

約数和(自身を除く): 51071102

約数列:

[1, 2, 19, 38, 43, 86, 137, 274, 361, 722, 817, 1634, 2603, 5206, 5891, 6859, 11782, 13718, 15523, 31046, 49457, 98914, 111929, 223858, 294937, 589874, 939683, 1879366, 2126651, 4253302, 40406369, 80812738]

約数ペア:

[(1, 80812738), (2, 40406369), (19, 4253302), (38, 2126651), (43, 1879366), (86, 939683), (137, 589874), (274, 294937), (361, 223858), (722, 111929), (817, 98914), (1634, 49457), (2603, 31046), (5206, 15523), (5891, 13718), (6859, 11782)]