28657856

素因数分解:

$2^6\times {\mathrm{447779}}^1$

素因数の和:447791

約数の個数: 14

約数和(自身を含む): 56868060

約数和(自身を除く): 28210204

約数列:

[1, 2, 4, 8, 16, 32, 64, 447779, 895558, 1791116, 3582232, 7164464, 14328928, 28657856]

約数ペア:

[(1, 28657856), (2, 14328928), (4, 7164464), (8, 3582232), (16, 1791116), (32, 895558), (64, 447779)]