291217025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{3823}}^1$

素因数の和:4121

約数の個数: 24

約数和(自身を含む): 395462784

約数和(自身を除く): 104245759

約数列:

[1, 5, 11, 25, 55, 275, 277, 1385, 3047, 3823, 6925, 15235, 19115, 42053, 76175, 95575, 210265, 1051325, 1058971, 5294855, 11648681, 26474275, 58243405, 291217025]

約数ペア:

[(1, 291217025), (5, 58243405), (11, 26474275), (25, 11648681), (55, 5294855), (275, 1058971), (277, 1051325), (1385, 210265), (3047, 95575), (3823, 76175), (6925, 42053), (15235, 19115)]