81508726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{8059}}^1$

素因数の和:8463

約数の個数: 16

約数和(自身を含む): 132022800

約数和(自身を除く): 50514074

約数列:

[1, 2, 13, 26, 389, 778, 5057, 8059, 10114, 16118, 104767, 209534, 3134951, 6269902, 40754363, 81508726]

約数ペア:

[(1, 81508726), (2, 40754363), (13, 6269902), (26, 3134951), (389, 209534), (778, 104767), (5057, 16118), (8059, 10114)]