12157978

素因数分解:

$2^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 21888000

約数和(自身を除く): 9730022

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 343, 479, 518, 686, 958, 1813, 3353, 3626, 6706, 12691, 17723, 23471, 25382, 35446, 46942, 124061, 164297, 248122, 328594, 868427, 1736854, 6078989, 12157978]

約数ペア:

[(1, 12157978), (2, 6078989), (7, 1736854), (14, 868427), (37, 328594), (49, 248122), (74, 164297), (98, 124061), (259, 46942), (343, 35446), (479, 25382), (518, 23471), (686, 17723), (958, 12691), (1813, 6706), (3353, 3626)]