251620145

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{60413}}^1$

素因数の和:60449

約数の個数: 24

約数和(自身を含む): 371908584

約数和(自身を除く): 120288439

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 60413, 302065, 422891, 1027021, 2114455, 2960237, 5135105, 7189147, 14801185, 35945735, 50324029, 251620145]

約数ペア:

[(1, 251620145), (5, 50324029), (7, 35945735), (17, 14801185), (35, 7189147), (49, 5135105), (85, 2960237), (119, 2114455), (245, 1027021), (595, 422891), (833, 302065), (4165, 60413)]