2017854725

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{906901}}^1$

素因数の和:907000

約数の個数: 12

約数和(自身を含む): 2530256580

約数和(自身を除く): 512401855

約数列:

[1, 5, 25, 89, 445, 2225, 906901, 4534505, 22672525, 80714189, 403570945, 2017854725]

約数ペア:

[(1, 2017854725), (5, 403570945), (25, 80714189), (89, 22672525), (445, 4534505), (2225, 906901)]