8428004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2657}}^1$

素因数の和:2735

約数の個数: 24

約数和(自身を含む): 16150008

約数和(自身を除く): 7722004

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 2657, 3172, 5314, 10628, 34541, 69082, 138164, 162077, 324154, 648308, 2107001, 4214002, 8428004]

約数ペア:

[(1, 8428004), (2, 4214002), (4, 2107001), (13, 648308), (26, 324154), (52, 162077), (61, 138164), (122, 69082), (244, 34541), (793, 10628), (1586, 5314), (2657, 3172)]