671652304

素因数分解:

$2^4\times {\mathrm{2557}}^1\times {\mathrm{16417}}^1$

素因数の和:18982

約数の個数: 20

約数和(自身を含む): 1301914564

約数和(自身を除く): 630262260

約数列:

[1, 2, 4, 8, 16, 2557, 5114, 10228, 16417, 20456, 32834, 40912, 65668, 131336, 262672, 41978269, 83956538, 167913076, 335826152, 671652304]

約数ペア:

[(1, 671652304), (2, 335826152), (4, 167913076), (8, 83956538), (16, 41978269), (2557, 262672), (5114, 131336), (10228, 65668), (16417, 40912), (20456, 32834)]