864479

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 16

約数和(自身を含む): 1098240

約数和(自身を除く): 233761

約数列:

[1, 7, 11, 77, 103, 109, 721, 763, 1133, 1199, 7931, 8393, 11227, 78589, 123497, 864479]

約数ペア:

[(1, 864479), (7, 123497), (11, 78589), (77, 11227), (103, 8393), (109, 7931), (721, 1199), (763, 1133)]