28781014

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 24

約数和(自身を含む): 45349920

約数和(自身を除く): 16568906

約数列:

[1, 2, 47, 53, 94, 106, 109, 218, 2491, 2809, 4982, 5123, 5618, 5777, 10246, 11554, 132023, 264046, 271519, 306181, 543038, 612362, 14390507, 28781014]

約数ペア:

[(1, 28781014), (2, 14390507), (47, 612362), (53, 543038), (94, 306181), (106, 271519), (109, 264046), (218, 132023), (2491, 11554), (2809, 10246), (4982, 5777), (5123, 5618)]