31990212

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{9161}}^1$

素因数の和:9268

約数の個数: 36

約数和(自身を含む): 81706716

約数和(自身を除く): 49716504

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 9161, 18322, 27483, 36644, 54966, 82449, 109932, 164898, 329796, 888617, 1777234, 2665851, 3554468, 5331702, 7997553, 10663404, 15995106, 31990212]

約数ペア:

[(1, 31990212), (2, 15995106), (3, 10663404), (4, 7997553), (6, 5331702), (9, 3554468), (12, 2665851), (18, 1777234), (36, 888617), (97, 329796), (194, 164898), (291, 109932), (388, 82449), (582, 54966), (873, 36644), (1164, 27483), (1746, 18322), (3492, 9161)]