9969571775

素因数分解:

$5^2\times {\mathrm{401}}^1\times {\mathrm{994471}}^1$

素因数の和:994882

約数の個数: 12

約数和(自身を含む): 12393110064

約数和(自身を除く): 2423538289

約数列:

[1, 5, 25, 401, 2005, 10025, 994471, 4972355, 24861775, 398782871, 1993914355, 9969571775]

約数ペア:

[(1, 9969571775), (5, 1993914355), (25, 398782871), (401, 24861775), (2005, 4972355), (10025, 994471)]