494654321

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{134089}}^1$

素因数の和:134144

約数の個数: 16

約数和(自身を含む): 617886720

約数和(自身を除く): 123232399

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 134089, 938623, 2279513, 4156759, 15956591, 29097313, 70664903, 494654321]

約数ペア:

[(1, 494654321), (7, 70664903), (17, 29097313), (31, 15956591), (119, 4156759), (217, 2279513), (527, 938623), (3689, 134089)]