80668854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{640229}}^1$

素因数の和:640244

約数の個数: 24

約数和(自身を含む): 199751760

約数和(自身を除く): 119082906

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 640229, 1280458, 1920687, 3841374, 4481603, 5762061, 8963206, 11524122, 13444809, 26889618, 40334427, 80668854]

約数ペア:

[(1, 80668854), (2, 40334427), (3, 26889618), (6, 13444809), (7, 11524122), (9, 8963206), (14, 5762061), (18, 4481603), (21, 3841374), (42, 1920687), (63, 1280458), (126, 640229)]