4085015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 5702832

約数和(自身を除く): 1617817

約数列:

[1, 5, 11, 17, 55, 85, 187, 257, 289, 935, 1285, 1445, 2827, 3179, 4369, 14135, 15895, 21845, 48059, 74273, 240295, 371365, 817003, 4085015]

約数ペア:

[(1, 4085015), (5, 817003), (11, 371365), (17, 240295), (55, 74273), (85, 48059), (187, 21845), (257, 15895), (289, 14135), (935, 4369), (1285, 3179), (1445, 2827)]