80702874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{640499}}^1$

素因数の和:640514

約数の個数: 24

約数和(自身を含む): 199836000

約数和(自身を除く): 119133126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 640499, 1280998, 1921497, 3842994, 4483493, 5764491, 8966986, 11528982, 13450479, 26900958, 40351437, 80702874]

約数ペア:

[(1, 80702874), (2, 40351437), (3, 26900958), (6, 13450479), (7, 11528982), (9, 8966986), (14, 5764491), (18, 4483493), (21, 3842994), (42, 1921497), (63, 1280998), (126, 640499)]