80856818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{677}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 146448000

約数和(自身を除く): 65591182

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 449, 677, 898, 1354, 3143, 4739, 6286, 8531, 9478, 12863, 17062, 25726, 59717, 90041, 119434, 180082, 303973, 607946, 2127811, 4255622, 5775487, 11550974, 40428409, 80856818]

約数ペア:

[(1, 80856818), (2, 40428409), (7, 11550974), (14, 5775487), (19, 4255622), (38, 2127811), (133, 607946), (266, 303973), (449, 180082), (677, 119434), (898, 90041), (1354, 59717), (3143, 25726), (4739, 17062), (6286, 12863), (8531, 9478)]