1281020734

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{7901}}^1$

素因数の和:8260

約数の個数: 32

約数和(自身を含む): 2262879936

約数和(自身を除く): 981859202

約数列:

[1, 2, 7, 14, 37, 74, 259, 313, 518, 626, 2191, 4382, 7901, 11581, 15802, 23162, 55307, 81067, 110614, 162134, 292337, 584674, 2046359, 2473013, 4092718, 4946026, 17311091, 34622182, 91501481, 183002962, 640510367, 1281020734]

約数ペア:

[(1, 1281020734), (2, 640510367), (7, 183002962), (14, 91501481), (37, 34622182), (74, 17311091), (259, 4946026), (313, 4092718), (518, 2473013), (626, 2046359), (2191, 584674), (4382, 292337), (7901, 162134), (11581, 110614), (15802, 81067), (23162, 55307)]