728049478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{394393}}^1$

素因数の和:394479

約数の個数: 16

約数和(自身を含む): 1192647456

約数和(自身を除く): 464597978

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 394393, 788786, 5127109, 10254218, 28001903, 56003806, 364024739, 728049478]

約数ペア:

[(1, 728049478), (2, 364024739), (13, 56003806), (26, 28001903), (71, 10254218), (142, 5127109), (923, 788786), (1846, 394393)]