642724738

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 1013276160

約数和(自身を除く): 370551422

約数列:

[1, 2, 29, 58, 103, 206, 271, 397, 542, 794, 2987, 5974, 7859, 11513, 15718, 23026, 27913, 40891, 55826, 81782, 107587, 215174, 809477, 1185839, 1618954, 2371678, 3120023, 6240046, 11081461, 22162922, 321362369, 642724738]

約数ペア:

[(1, 642724738), (2, 321362369), (29, 22162922), (58, 11081461), (103, 6240046), (206, 3120023), (271, 2371678), (397, 1618954), (542, 1185839), (794, 809477), (2987, 215174), (5974, 107587), (7859, 81782), (11513, 55826), (15718, 40891), (23026, 27913)]