67720828

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{22189}}^1$

素因数の和:22309

約数の個数: 24

約数和(自身を含む): 136690400

約数和(自身を除く): 68969572

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 22189, 44378, 88756, 155323, 310646, 621292, 2418601, 4837202, 9674404, 16930207, 33860414, 67720828]

約数ペア:

[(1, 67720828), (2, 33860414), (4, 16930207), (7, 9674404), (14, 4837202), (28, 2418601), (109, 621292), (218, 310646), (436, 155323), (763, 88756), (1526, 44378), (3052, 22189)]