80691985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{1787}}^1$

素因数の和:2624

約数の個数: 16

約数和(自身を含む): 105820992

約数和(自身を除く): 25129007

約数列:

[1, 5, 11, 55, 821, 1787, 4105, 8935, 9031, 19657, 45155, 98285, 1467127, 7335635, 16138397, 80691985]

約数ペア:

[(1, 80691985), (5, 16138397), (11, 7335635), (55, 1467127), (821, 98285), (1787, 45155), (4105, 19657), (8935, 9031)]