71802913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25453}}^1$

素因数の和:25504

約数の個数: 16

約数和(自身を含む): 91227136

約数和(自身を除く): 19424223

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 25453, 178171, 330889, 789043, 2316223, 5523301, 10257559, 71802913]

約数ペア:

[(1, 71802913), (7, 10257559), (13, 5523301), (31, 2316223), (91, 789043), (217, 330889), (403, 178171), (2821, 25453)]