68746555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{21859}}^1$

素因数の和:21918

約数の個数: 16

約数和(自身を含む): 89713440

約数和(自身を除く): 20966885

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 21859, 109295, 371603, 808783, 1858015, 4043915, 13749311, 68746555]

約数ペア:

[(1, 68746555), (5, 13749311), (17, 4043915), (37, 1858015), (85, 808783), (185, 371603), (629, 109295), (3145, 21859)]