31197478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{17909}}^1$

素因数の和:17991

約数の個数: 16

約数和(自身を含む): 51150960

約数和(自身を除く): 19953482

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 17909, 35818, 232817, 465634, 1199903, 2399806, 15598739, 31197478]

約数ペア:

[(1, 31197478), (2, 15598739), (13, 2399806), (26, 1199903), (67, 465634), (134, 232817), (871, 35818), (1742, 17909)]