2563855

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 3870720

約数和(自身を除く): 1306865

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 139, 155, 217, 527, 595, 695, 973, 1085, 2363, 2635, 3689, 4309, 4865, 11815, 16541, 18445, 21545, 30163, 73253, 82705, 150815, 366265, 512771, 2563855]

約数ペア:

[(1, 2563855), (5, 512771), (7, 366265), (17, 150815), (31, 82705), (35, 73253), (85, 30163), (119, 21545), (139, 18445), (155, 16541), (217, 11815), (527, 4865), (595, 4309), (695, 3689), (973, 2635), (1085, 2363)]