31686990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10889}}^1$

素因数の和:10996

約数の個数: 32

約数和(自身を含む): 76839840

約数和(自身を除く): 45152850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 10889, 21778, 32667, 54445, 65334, 108890, 163335, 326670, 1056233, 2112466, 3168699, 5281165, 6337398, 10562330, 15843495, 31686990]

約数ペア:

[(1, 31686990), (2, 15843495), (3, 10562330), (5, 6337398), (6, 5281165), (10, 3168699), (15, 2112466), (30, 1056233), (97, 326670), (194, 163335), (291, 108890), (485, 65334), (582, 54445), (970, 32667), (1455, 21778), (2910, 10889)]