81071678

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{3847}}^1$

素因数の和:4147

約数の個数: 16

約数和(自身を含む): 125090784

約数和(自身を除く): 44019106

約数列:

[1, 2, 41, 82, 257, 514, 3847, 7694, 10537, 21074, 157727, 315454, 988679, 1977358, 40535839, 81071678]

約数ペア:

[(1, 81071678), (2, 40535839), (41, 1977358), (82, 988679), (257, 315454), (514, 157727), (3847, 21074), (7694, 10537)]