31440578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{15307}}^1$

素因数の和:15401

約数の個数: 16

約数和(自身を含む): 51434880

約数和(自身を除く): 19994302

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 15307, 30614, 198991, 397982, 1209253, 2418506, 15720289, 31440578]

約数ペア:

[(1, 31440578), (2, 15720289), (13, 2418506), (26, 1209253), (79, 397982), (158, 198991), (1027, 30614), (2054, 15307)]