28269228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181213}}^1$

素因数の和:181233

約数の個数: 24

約数和(自身を含む): 71035888

約数和(自身を除く): 42766660

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181213, 362426, 543639, 724852, 1087278, 2174556, 2355769, 4711538, 7067307, 9423076, 14134614, 28269228]

約数ペア:

[(1, 28269228), (2, 14134614), (3, 9423076), (4, 7067307), (6, 4711538), (12, 2355769), (13, 2174556), (26, 1087278), (39, 724852), (52, 543639), (78, 362426), (156, 181213)]