28181516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{2381}}^1$

素因数の和:2665

約数の個数: 24

約数和(自身を含む): 54023760

約数和(自身を除く): 25842244

約数列:

[1, 2, 4, 11, 22, 44, 269, 538, 1076, 2381, 2959, 4762, 5918, 9524, 11836, 26191, 52382, 104764, 640489, 1280978, 2561956, 7045379, 14090758, 28181516]

約数ペア:

[(1, 28181516), (2, 14090758), (4, 7045379), (11, 2561956), (22, 1280978), (44, 640489), (269, 104764), (538, 52382), (1076, 26191), (2381, 11836), (2959, 9524), (4762, 5918)]