86639189

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{431}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 109202688

約数和(自身を除く): 22563499

約数列:

[1, 7, 13, 47, 91, 329, 431, 611, 2209, 3017, 4277, 5603, 15463, 20257, 28717, 39221, 141799, 201019, 263341, 952079, 1843387, 6664553, 12377027, 86639189]

約数ペア:

[(1, 86639189), (7, 12377027), (13, 6664553), (47, 1843387), (91, 952079), (329, 263341), (431, 201019), (611, 141799), (2209, 39221), (3017, 28717), (4277, 20257), (5603, 15463)]