80639622

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{639997}}^1$

素因数の和:640012

約数の個数: 24

約数和(自身を含む): 199679376

約数和(自身を除く): 119039754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 639997, 1279994, 1919991, 3839982, 4479979, 5759973, 8959958, 11519946, 13439937, 26879874, 40319811, 80639622]

約数ペア:

[(1, 80639622), (2, 40319811), (3, 26879874), (6, 13439937), (7, 11519946), (9, 8959958), (14, 5759973), (18, 4479979), (21, 3839982), (42, 1919991), (63, 1279994), (126, 639997)]