278320054

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{31721}}^1$

素因数の和:31871

約数の個数: 16

約数和(自身を含む): 431672976

約数和(自身を除く): 153352922

約数列:

[1, 2, 41, 82, 107, 214, 4387, 8774, 31721, 63442, 1300561, 2601122, 3394147, 6788294, 139160027, 278320054]

約数ペア:

[(1, 278320054), (2, 139160027), (41, 6788294), (82, 3394147), (107, 2601122), (214, 1300561), (4387, 63442), (8774, 31721)]