81200002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{43987}}^1$

素因数の和:44073

約数の個数: 16

約数和(自身を含む): 133019712

約数和(自身を除く): 51819710

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 43987, 87974, 571831, 1143662, 3123077, 6246154, 40600001, 81200002]

約数ペア:

[(1, 81200002), (2, 40600001), (13, 6246154), (26, 3123077), (71, 1143662), (142, 571831), (923, 87974), (1846, 43987)]