1279978

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:406

約数の個数: 24

約数和(自身を含む): 2300292

約数和(自身を除く): 1020314

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 353, 518, 706, 1813, 2471, 3626, 4942, 13061, 17297, 26122, 34594, 91427, 182854, 639989, 1279978]

約数ペア:

[(1, 1279978), (2, 639989), (7, 182854), (14, 91427), (37, 34594), (49, 26122), (74, 17297), (98, 13061), (259, 4942), (353, 3626), (518, 2471), (706, 1813)]