128210212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{2473}}^1$

素因数の和:3487

約数の個数: 24

約数和(自身を含む): 241967096

約数和(自身を除く): 113756884

約数列:

[1, 2, 4, 13, 26, 52, 997, 1994, 2473, 3988, 4946, 9892, 12961, 25922, 32149, 51844, 64298, 128596, 2465581, 4931162, 9862324, 32052553, 64105106, 128210212]

約数ペア:

[(1, 128210212), (2, 64105106), (4, 32052553), (13, 9862324), (26, 4931162), (52, 2465581), (997, 128596), (1994, 64298), (2473, 51844), (3988, 32149), (4946, 25922), (9892, 12961)]