86977990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{790709}}^1$

素因数の和:790727

約数の個数: 16

約数和(自身を含む): 170793360

約数和(自身を除く): 83815370

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 790709, 1581418, 3953545, 7907090, 8697799, 17395598, 43488995, 86977990]

約数ペア:

[(1, 86977990), (2, 43488995), (5, 17395598), (10, 8697799), (11, 7907090), (22, 3953545), (55, 1581418), (110, 790709)]