2639945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6857}}^1$

素因数の和:6880

約数の個数: 16

約数和(自身を含む): 3950208

約数和(自身を除く): 1310263

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 6857, 34285, 47999, 75427, 239995, 377135, 527989, 2639945]

約数ペア:

[(1, 2639945), (5, 527989), (7, 377135), (11, 239995), (35, 75427), (55, 47999), (77, 34285), (385, 6857)]