80089562

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 140279040

約数和(自身を除く): 60189478

約数列:

[1, 2, 7, 14, 71, 142, 197, 394, 409, 497, 818, 994, 1379, 2758, 2863, 5726, 13987, 27974, 29039, 58078, 80573, 97909, 161146, 195818, 203273, 406546, 564011, 1128022, 5720683, 11441366, 40044781, 80089562]

約数ペア:

[(1, 80089562), (2, 40044781), (7, 11441366), (14, 5720683), (71, 1128022), (142, 564011), (197, 406546), (394, 203273), (409, 195818), (497, 161146), (818, 97909), (994, 80573), (1379, 58078), (2758, 29039), (2863, 27974), (5726, 13987)]