80421138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{638263}}^1$

素因数の和:638278

約数の個数: 24

約数和(自身を含む): 199138368

約数和(自身を除く): 118717230

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 638263, 1276526, 1914789, 3829578, 4467841, 5744367, 8935682, 11488734, 13403523, 26807046, 40210569, 80421138]

約数ペア:

[(1, 80421138), (2, 40210569), (3, 26807046), (6, 13403523), (7, 11488734), (9, 8935682), (14, 5744367), (18, 4467841), (21, 3829578), (42, 1914789), (63, 1276526), (126, 638263)]