28687278

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{111191}}^1$

素因数の和:111239

約数の個数: 16

約数和(自身を含む): 58709376

約数和(自身を除く): 30022098

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 111191, 222382, 333573, 667146, 4781213, 9562426, 14343639, 28687278]

約数ペア:

[(1, 28687278), (2, 14343639), (3, 9562426), (6, 4781213), (43, 667146), (86, 333573), (129, 222382), (258, 111191)]