81710228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{3089}}^1$

素因数の和:3499

約数の個数: 24

約数和(自身を含む): 151842600

約数和(自身を除く): 70132372

約数列:

[1, 2, 4, 17, 34, 68, 389, 778, 1556, 3089, 6178, 6613, 12356, 13226, 26452, 52513, 105026, 210052, 1201621, 2403242, 4806484, 20427557, 40855114, 81710228]

約数ペア:

[(1, 81710228), (2, 40855114), (4, 20427557), (17, 4806484), (34, 2403242), (68, 1201621), (389, 210052), (778, 105026), (1556, 52513), (3089, 26452), (6178, 13226), (6613, 12356)]