201559985

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 274904064

約数和(自身を除く): 73344079

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 977, 1331, 1705, 3751, 4885, 6655, 10747, 18755, 30287, 41261, 53735, 118217, 151435, 206305, 333157, 591085, 1300387, 1665785, 3664727, 6501935, 18323635, 40311997, 201559985]

約数ペア:

[(1, 201559985), (5, 40311997), (11, 18323635), (31, 6501935), (55, 3664727), (121, 1665785), (155, 1300387), (341, 591085), (605, 333157), (977, 206305), (1331, 151435), (1705, 118217), (3751, 53735), (4885, 41261), (6655, 30287), (10747, 18755)]