28204816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{92779}}^1$

素因数の和:92806

約数の個数: 20

約数和(自身を含む): 57523600

約数和(自身を除く): 29318784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 92779, 185558, 371116, 742232, 1484464, 1762801, 3525602, 7051204, 14102408, 28204816]

約数ペア:

[(1, 28204816), (2, 14102408), (4, 7051204), (8, 3525602), (16, 1762801), (19, 1484464), (38, 742232), (76, 371116), (152, 185558), (304, 92779)]