51501995

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{1289}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 63344160

約数和(自身を除く): 11842165

約数列:

[1, 5, 61, 131, 305, 655, 1289, 6445, 7991, 39955, 78629, 168859, 393145, 844295, 10300399, 51501995]

約数ペア:

[(1, 51501995), (5, 10300399), (61, 844295), (131, 393145), (305, 168859), (655, 78629), (1289, 39955), (6445, 7991)]