640427982

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{2482279}}^1$

素因数の和:2482327

約数の個数: 16

約数和(自身を含む): 1310643840

約数和(自身を除く): 670215858

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 2482279, 4964558, 7446837, 14893674, 106737997, 213475994, 320213991, 640427982]

約数ペア:

[(1, 640427982), (2, 320213991), (3, 213475994), (6, 106737997), (43, 14893674), (86, 7446837), (129, 4964558), (258, 2482279)]