218207665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{3347}}^1$

素因数の和:3441

約数の個数: 32

約数和(自身を含む): 303730560

約数和(自身を除く): 85522895

約数列:

[1, 5, 13, 17, 59, 65, 85, 221, 295, 767, 1003, 1105, 3347, 3835, 5015, 13039, 16735, 43511, 56899, 65195, 197473, 217555, 284495, 739687, 987365, 2567149, 3357041, 3698435, 12835745, 16785205, 43641533, 218207665]

約数ペア:

[(1, 218207665), (5, 43641533), (13, 16785205), (17, 12835745), (59, 3698435), (65, 3357041), (85, 2567149), (221, 987365), (295, 739687), (767, 284495), (1003, 217555), (1105, 197473), (3347, 65195), (3835, 56899), (5015, 43511), (13039, 16735)]