645135023

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 742810176

約数和(自身を除く): 97675153

約数列:

[1, 13, 17, 169, 221, 431, 521, 2873, 5603, 6773, 7327, 8857, 72839, 88049, 95251, 115141, 224551, 1238263, 1496833, 2919163, 3817367, 37949119, 49625771, 645135023]

約数ペア:

[(1, 645135023), (13, 49625771), (17, 37949119), (169, 3817367), (221, 2919163), (431, 1496833), (521, 1238263), (2873, 224551), (5603, 115141), (6773, 95251), (7327, 88049), (8857, 72839)]