25639404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{305231}}^1$

素因数の和:305245

約数の個数: 24

約数和(自身を含む): 68371968

約数和(自身を除く): 42732564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 305231, 610462, 915693, 1220924, 1831386, 2136617, 3662772, 4273234, 6409851, 8546468, 12819702, 25639404]

約数ペア:

[(1, 25639404), (2, 12819702), (3, 8546468), (4, 6409851), (6, 4273234), (7, 3662772), (12, 2136617), (14, 1831386), (21, 1220924), (28, 915693), (42, 610462), (84, 305231)]