13886890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19559}}^1$

素因数の和:19637

約数の個数: 16

約数和(自身を含む): 25349760

約数和(自身を除く): 11462870

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 19559, 39118, 97795, 195590, 1388689, 2777378, 6943445, 13886890]

約数ペア:

[(1, 13886890), (2, 6943445), (5, 2777378), (10, 1388689), (71, 195590), (142, 97795), (355, 39118), (710, 19559)]