869981068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1997}}^1\times {\mathrm{9901}}^1$

素因数の和:11913

約数の個数: 24

約数和(自身を含む): 1661872464

約数和(自身を除く): 791891396

約数列:

[1, 2, 4, 11, 22, 44, 1997, 3994, 7988, 9901, 19802, 21967, 39604, 43934, 87868, 108911, 217822, 435644, 19772297, 39544594, 79089188, 217495267, 434990534, 869981068]

約数ペア:

[(1, 869981068), (2, 434990534), (4, 217495267), (11, 79089188), (22, 39544594), (44, 19772297), (1997, 435644), (3994, 217822), (7988, 108911), (9901, 87868), (19802, 43934), (21967, 39604)]