2787310

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1321}}^1$

素因数の和:1539

約数の個数: 16

約数和(自身を含む): 5044752

約数和(自身を除く): 2257442

約数列:

[1, 2, 5, 10, 211, 422, 1055, 1321, 2110, 2642, 6605, 13210, 278731, 557462, 1393655, 2787310]

約数ペア:

[(1, 2787310), (2, 1393655), (5, 557462), (10, 278731), (211, 13210), (422, 6605), (1055, 2642), (1321, 2110)]