2581145

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2543}}^1$

素因数の和:2584

約数の個数: 16

約数和(自身を含む): 3663360

約数和(自身を除く): 1082215

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 2543, 12715, 17801, 73747, 89005, 368735, 516229, 2581145]

約数ペア:

[(1, 2581145), (5, 516229), (7, 368735), (29, 89005), (35, 73747), (145, 17801), (203, 12715), (1015, 2543)]