31221866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{17923}}^1$

素因数の和:18005

約数の個数: 16

約数和(自身を含む): 51190944

約数和(自身を除く): 19969078

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 17923, 35846, 232999, 465998, 1200841, 2401682, 15610933, 31221866]

約数ペア:

[(1, 31221866), (2, 15610933), (13, 2401682), (26, 1200841), (67, 465998), (134, 232999), (871, 35846), (1742, 17923)]