2561521521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1113221}}^1$

素因数の和:1113296

約数の個数: 16

約数和(自身を含む): 3740425920

約数和(自身を除く): 1178904399

約数列:

[1, 3, 13, 39, 59, 177, 767, 2301, 1113221, 3339663, 14471873, 43415619, 65680039, 197040117, 853840507, 2561521521]

約数ペア:

[(1, 2561521521), (3, 853840507), (13, 197040117), (39, 65680039), (59, 43415619), (177, 14471873), (767, 3339663), (2301, 1113221)]