78712730

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{110863}}^1$

素因数の和:110941

約数の個数: 16

約数和(自身を含む): 143679744

約数和(自身を除く): 64967014

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 110863, 221726, 554315, 1108630, 7871273, 15742546, 39356365, 78712730]

約数ペア:

[(1, 78712730), (2, 39356365), (5, 15742546), (10, 7871273), (71, 1108630), (142, 554315), (355, 221726), (710, 110863)]