813254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1055

約数の個数: 16

約数和(自身を含む): 1357440

約数和(自身を除く): 544186

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 1009, 2018, 13117, 26234, 31279, 62558, 406627, 813254]

約数ペア:

[(1, 813254), (2, 406627), (13, 62558), (26, 31279), (31, 26234), (62, 13117), (403, 2018), (806, 1009)]