305840885

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4621}}^1$

素因数の和:4725

約数の個数: 32

約数和(自身を含む): 440162304

約数和(自身を除く): 134321419

約数列:

[1, 5, 7, 31, 35, 61, 155, 217, 305, 427, 1085, 1891, 2135, 4621, 9455, 13237, 23105, 32347, 66185, 143251, 161735, 281881, 716255, 1002757, 1409405, 1973167, 5013785, 8738311, 9865835, 43691555, 61168177, 305840885]

約数ペア:

[(1, 305840885), (5, 61168177), (7, 43691555), (31, 9865835), (35, 8738311), (61, 5013785), (155, 1973167), (217, 1409405), (305, 1002757), (427, 716255), (1085, 281881), (1891, 161735), (2135, 143251), (4621, 66185), (9455, 32347), (13237, 23105)]