280966

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 24

約数和(自身を含む): 508896

約数和(自身を除く): 227930

約数列:

[1, 2, 7, 14, 47, 49, 61, 94, 98, 122, 329, 427, 658, 854, 2303, 2867, 2989, 4606, 5734, 5978, 20069, 40138, 140483, 280966]

約数ペア:

[(1, 280966), (2, 140483), (7, 40138), (14, 20069), (47, 5978), (49, 5734), (61, 4606), (94, 2989), (98, 2867), (122, 2303), (329, 854), (427, 658)]