81907679

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1801}}^1$

素因数の和:1970

約数の個数: 16

約数和(自身を含む): 96010560

約数和(自身を除く): 14102881

約数列:

[1, 7, 73, 89, 511, 623, 1801, 6497, 12607, 45479, 131473, 160289, 920311, 1122023, 11701097, 81907679]

約数ペア:

[(1, 81907679), (7, 11701097), (73, 1122023), (89, 920311), (511, 160289), (623, 131473), (1801, 45479), (6497, 12607)]