71688138

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2186

約数の個数: 32

約数和(自身を含む): 147840000

約数和(自身を除く): 76151862

約数列:

[1, 2, 3, 6, 43, 86, 129, 139, 258, 278, 417, 834, 1999, 3998, 5977, 5997, 11954, 11994, 17931, 35862, 85957, 171914, 257871, 277861, 515742, 555722, 833583, 1667166, 11948023, 23896046, 35844069, 71688138]

約数ペア:

[(1, 71688138), (2, 35844069), (3, 23896046), (6, 11948023), (43, 1667166), (86, 833583), (129, 555722), (139, 515742), (258, 277861), (278, 257871), (417, 171914), (834, 85957), (1999, 35862), (3998, 17931), (5977, 11994), (5997, 11954)]