81813776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2687}}^1$

素因数の和:2879

約数の個数: 40

約数和(自身を含む): 173988864

約数和(自身を除く): 92175088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 173, 176, 346, 692, 1384, 1903, 2687, 2768, 3806, 5374, 7612, 10748, 15224, 21496, 29557, 30448, 42992, 59114, 118228, 236456, 464851, 472912, 929702, 1859404, 3718808, 5113361, 7437616, 10226722, 20453444, 40906888, 81813776]

約数ペア:

[(1, 81813776), (2, 40906888), (4, 20453444), (8, 10226722), (11, 7437616), (16, 5113361), (22, 3718808), (44, 1859404), (88, 929702), (173, 472912), (176, 464851), (346, 236456), (692, 118228), (1384, 59114), (1903, 42992), (2687, 30448), (2768, 29557), (3806, 21496), (5374, 15224), (7612, 10748)]