15981724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8447}}^1$

素因数の和:8505

約数の個数: 24

約数和(自身を含む): 31223808

約数和(自身を除く): 15242084

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 8447, 16894, 33788, 92917, 185834, 363221, 371668, 726442, 1452884, 3995431, 7990862, 15981724]

約数ペア:

[(1, 15981724), (2, 7990862), (4, 3995431), (11, 1452884), (22, 726442), (43, 371668), (44, 363221), (86, 185834), (172, 92917), (473, 33788), (946, 16894), (1892, 8447)]