52780555

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 64915488

約数和(自身を除く): 12134933

約数列:

[1, 5, 61, 131, 305, 655, 1321, 6605, 7991, 39955, 80581, 173051, 402905, 865255, 10556111, 52780555]

約数ペア:

[(1, 52780555), (5, 10556111), (61, 865255), (131, 402905), (305, 173051), (655, 80581), (1321, 39955), (6605, 7991)]