1990575181

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{12363821}}^1$

素因数の和:12363851

約数の個数: 8

約数和(自身を含む): 2373853824

約数和(自身を除く): 383278643

約数列:

[1, 7, 23, 161, 12363821, 86546747, 284367883, 1990575181]

約数ペア:

[(1, 1990575181), (7, 284367883), (23, 86546747), (161, 12363821)]