989905147

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{50023}}^1$

素因数の和:50298

約数の個数: 16

約数和(自身を含む): 1238994432

約数和(自身を除く): 249089285

約数列:

[1, 7, 11, 77, 257, 1799, 2827, 19789, 50023, 350161, 550253, 3851771, 12855911, 89991377, 141415021, 989905147]

約数ペア:

[(1, 989905147), (7, 141415021), (11, 89991377), (77, 12855911), (257, 3851771), (1799, 550253), (2827, 350161), (19789, 50023)]