640620294

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{2885677}}^1$

素因数の和:2885719

約数の個数: 16

約数和(自身を含む): 1315869168

約数和(自身を除く): 675248874

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 2885677, 5771354, 8657031, 17314062, 106770049, 213540098, 320310147, 640620294]

約数ペア:

[(1, 640620294), (2, 320310147), (3, 213540098), (6, 106770049), (37, 17314062), (74, 8657031), (111, 5771354), (222, 2885677)]