1977808

素因数分解:

$2^4\times 7^1\times {\mathrm{17659}}^1$

素因数の和:17674

約数の個数: 20

約数和(自身を含む): 4379680

約数和(自身を除く): 2401872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 17659, 35318, 70636, 123613, 141272, 247226, 282544, 494452, 988904, 1977808]

約数ペア:

[(1, 1977808), (2, 988904), (4, 494452), (7, 282544), (8, 247226), (14, 141272), (16, 123613), (28, 70636), (56, 35318), (112, 17659)]