281908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 554400

約数和(自身を除く): 272492

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 149, 172, 298, 473, 596, 946, 1639, 1892, 3278, 6407, 6556, 12814, 25628, 70477, 140954, 281908]

約数ペア:

[(1, 281908), (2, 140954), (4, 70477), (11, 25628), (22, 12814), (43, 6556), (44, 6407), (86, 3278), (149, 1892), (172, 1639), (298, 946), (473, 596)]