78438835

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{2543}}^1$

素因数の和:2778

約数の個数: 16

約数和(自身を含む): 97689600

約数和(自身を除く): 19250765

約数列:

[1, 5, 31, 155, 199, 995, 2543, 6169, 12715, 30845, 78833, 394165, 506057, 2530285, 15687767, 78438835]

約数ペア:

[(1, 78438835), (5, 15687767), (31, 2530285), (155, 506057), (199, 394165), (995, 78833), (2543, 30845), (6169, 12715)]