2506655

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 3193344

約数和(自身を除く): 686689

約数列:

[1, 5, 23, 71, 115, 307, 355, 1535, 1633, 7061, 8165, 21797, 35305, 108985, 501331, 2506655]

約数ペア:

[(1, 2506655), (5, 501331), (23, 108985), (71, 35305), (115, 21797), (307, 8165), (355, 7061), (1535, 1633)]