399479806

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{1650743}}^1$

素因数の和:1650767

約数の個数: 12

約数和(自身を含む): 658646856

約数和(自身を除く): 259167050

約数列:

[1, 2, 11, 22, 121, 242, 1650743, 3301486, 18158173, 36316346, 199739903, 399479806]

約数ペア:

[(1, 399479806), (2, 199739903), (11, 36316346), (22, 18158173), (121, 3301486), (242, 1650743)]