2643245

素因数分解:

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

素因数の和:301

約数の個数: 24

約数和(自身を含む): 3705912

約数和(自身を除く): 1062667

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 257, 605, 935, 1285, 2057, 2827, 4369, 10285, 14135, 21845, 31097, 48059, 155485, 240295, 528649, 2643245]

約数ペア:

[(1, 2643245), (5, 528649), (11, 240295), (17, 155485), (55, 48059), (85, 31097), (121, 21845), (187, 14135), (257, 10285), (605, 4369), (935, 2827), (1285, 2057)]