2029405

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2521}}^1$

素因数の和:2556

約数の個数: 16

約数和(自身を含む): 2905344

約数和(自身を除く): 875939

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 2521, 12605, 17647, 57983, 88235, 289915, 405881, 2029405]

約数ペア:

[(1, 2029405), (5, 405881), (7, 289915), (23, 88235), (35, 57983), (115, 17647), (161, 12605), (805, 2521)]