71830031

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 91728000

約数和(自身を除く): 19897969

約数列:

[1, 7, 13, 49, 89, 91, 181, 343, 623, 637, 1157, 1267, 2353, 4361, 4459, 8099, 8869, 16109, 16471, 30527, 56693, 62083, 112763, 115297, 209417, 396851, 789341, 807079, 1465919, 5525387, 10261433, 71830031]

約数ペア:

[(1, 71830031), (7, 10261433), (13, 5525387), (49, 1465919), (89, 807079), (91, 789341), (181, 396851), (343, 209417), (623, 115297), (637, 112763), (1157, 62083), (1267, 56693), (2353, 30527), (4361, 16471), (4459, 16109), (8099, 8869)]