12400000042

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{724553}}^1$

素因数の和:724797

約数の個数: 16

約数和(自身を含む): 19128225600

約数和(自身を除く): 6728225558

約数列:

[1, 2, 43, 86, 199, 398, 8557, 17114, 724553, 1449106, 31155779, 62311558, 144186047, 288372094, 6200000021, 12400000042]

約数ペア:

[(1, 12400000042), (2, 6200000021), (43, 288372094), (86, 144186047), (199, 62311558), (398, 31155779), (8557, 1449106), (17114, 724553)]