12813385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6359}}^1$

素因数の和:6408

約数の個数: 16

約数和(自身を含む): 17095680

約数和(自身を除く): 4282295

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 6359, 31795, 82667, 197129, 413335, 985645, 2562677, 12813385]

約数ペア:

[(1, 12813385), (5, 2562677), (13, 985645), (31, 413335), (65, 197129), (155, 82667), (403, 31795), (2015, 6359)]