128566834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 214643520

約数和(自身を除く): 86076686

約数列:

[1, 2, 11, 22, 83, 166, 181, 362, 389, 778, 913, 1826, 1991, 3982, 4279, 8558, 15023, 30046, 32287, 64574, 70409, 140818, 165253, 330506, 355157, 710314, 774499, 1548998, 5843947, 11687894, 64283417, 128566834]

約数ペア:

[(1, 128566834), (2, 64283417), (11, 11687894), (22, 5843947), (83, 1548998), (166, 774499), (181, 710314), (362, 355157), (389, 330506), (778, 165253), (913, 140818), (1826, 70409), (1991, 64574), (3982, 32287), (4279, 30046), (8558, 15023)]