641443024

素因数分解:

$2^4\times {\mathrm{1901}}^1\times {\mathrm{21089}}^1$

素因数の和:22998

約数の個数: 20

約数和(自身を含む): 1243508580

約数和(自身を除く): 602065556

約数列:

[1, 2, 4, 8, 16, 1901, 3802, 7604, 15208, 21089, 30416, 42178, 84356, 168712, 337424, 40090189, 80180378, 160360756, 320721512, 641443024]

約数ペア:

[(1, 641443024), (2, 320721512), (4, 160360756), (8, 80180378), (16, 40090189), (1901, 337424), (3802, 168712), (7604, 84356), (15208, 42178), (21089, 30416)]