2040999905

素因数分解:

$5^1\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{41387}}^1$

素因数の和:42808

約数の個数: 16

約数和(自身を含む): 2801139840

約数和(自身を除く): 760139935

約数列:

[1, 5, 7, 35, 1409, 7045, 9863, 41387, 49315, 206935, 289709, 1448545, 58314283, 291571415, 408199981, 2040999905]

約数ペア:

[(1, 2040999905), (5, 408199981), (7, 291571415), (35, 58314283), (1409, 1448545), (7045, 289709), (9863, 206935), (41387, 49315)]