12787088

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{1993}}^1$

素因数の和:2402

約数の個数: 20

約数和(自身を含む): 24849228

約数和(自身を除く): 12062140

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 1993, 3208, 3986, 6416, 7972, 15944, 31888, 799193, 1598386, 3196772, 6393544, 12787088]

約数ペア:

[(1, 12787088), (2, 6393544), (4, 3196772), (8, 1598386), (16, 799193), (401, 31888), (802, 15944), (1604, 7972), (1993, 6416), (3208, 3986)]