90481985

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 119968128

約数和(自身を除く): 29486143

約数列:

[1, 5, 11, 55, 121, 347, 431, 605, 1735, 2155, 3817, 4741, 19085, 23705, 41987, 52151, 149557, 209935, 260755, 747785, 1645127, 8225635, 18096397, 90481985]

約数ペア:

[(1, 90481985), (5, 18096397), (11, 8225635), (55, 1645127), (121, 747785), (347, 260755), (431, 209935), (605, 149557), (1735, 52151), (2155, 41987), (3817, 23705), (4741, 19085)]