87989005

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3359}}^1$

素因数の和:3421

約数の個数: 24

約数和(自身を含む): 118056960

約数和(自身を除く): 30067955

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 3359, 5239, 16795, 26195, 43667, 104129, 218335, 520645, 567671, 1353677, 2838355, 6768385, 17597801, 87989005]

約数ペア:

[(1, 87989005), (5, 17597801), (13, 6768385), (31, 2838355), (65, 1353677), (155, 567671), (169, 520645), (403, 218335), (845, 104129), (2015, 43667), (3359, 26195), (5239, 16795)]