820121714

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1\times {\mathrm{7219}}^1$

素因数の和:8585

約数の個数: 16

約数和(自身を含む): 1259918880

約数和(自身を除く): 439797166

約数列:

[1, 2, 43, 86, 1321, 2642, 7219, 14438, 56803, 113606, 310417, 620834, 9536299, 19072598, 410060857, 820121714]

約数ペア:

[(1, 820121714), (2, 410060857), (43, 19072598), (86, 9536299), (1321, 620834), (2642, 310417), (7219, 113606), (14438, 56803)]