86801990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{789109}}^1$

素因数の和:789127

約数の個数: 16

約数和(自身を含む): 170447760

約数和(自身を除く): 83645770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 789109, 1578218, 3945545, 7891090, 8680199, 17360398, 43400995, 86801990]

約数ペア:

[(1, 86801990), (2, 43400995), (5, 17360398), (10, 8680199), (11, 7891090), (22, 3945545), (55, 1578218), (110, 789109)]