668839756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{414913}}^1$

素因数の和:414961

約数の個数: 24

約数和(自身を含む): 1301170304

約数和(自身を除く): 632330548

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 414913, 829826, 1659652, 5393869, 10787738, 12862303, 21575476, 25724606, 51449212, 167209939, 334419878, 668839756]

約数ペア:

[(1, 668839756), (2, 334419878), (4, 167209939), (13, 51449212), (26, 25724606), (31, 21575476), (52, 12862303), (62, 10787738), (124, 5393869), (403, 1659652), (806, 829826), (1612, 414913)]