247994593

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{503}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 327075840

約数和(自身を除く): 79081247

約数列:

[1, 7, 11, 19, 77, 133, 209, 337, 503, 1463, 2359, 3521, 3707, 5533, 6403, 9557, 25949, 38731, 44821, 66899, 70433, 105127, 169511, 493031, 735889, 1186577, 1864621, 3220709, 13052347, 22544963, 35427799, 247994593]

約数ペア:

[(1, 247994593), (7, 35427799), (11, 22544963), (19, 13052347), (77, 3220709), (133, 1864621), (209, 1186577), (337, 735889), (503, 493031), (1463, 169511), (2359, 105127), (3521, 70433), (3707, 66899), (5533, 44821), (6403, 38731), (9557, 25949)]