1680996968

素因数分解:

$2^3\times 7^1\times {\mathrm{30017803}}^1$

素因数の和:30017816

約数の個数: 16

約数和(自身を含む): 3602136480

約数和(自身を除く): 1921139512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 30017803, 60035606, 120071212, 210124621, 240142424, 420249242, 840498484, 1680996968]

約数ペア:

[(1, 1680996968), (2, 840498484), (4, 420249242), (7, 240142424), (8, 210124621), (14, 120071212), (28, 60035606), (56, 30017803)]