991982398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{45090109}}^1$

素因数の和:45090122

約数の個数: 8

約数和(自身を含む): 1623243960

約数和(自身を除く): 631261562

約数列:

[1, 2, 11, 22, 45090109, 90180218, 495991199, 991982398]

約数ペア:

[(1, 991982398), (2, 495991199), (11, 90180218), (22, 45090109)]