203671279

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 258048000

約数和(自身を除く): 54376721

約数列:

[1, 7, 19, 23, 133, 139, 161, 437, 479, 973, 2641, 3059, 3197, 3353, 9101, 11017, 18487, 22379, 60743, 63707, 66581, 77119, 209323, 425201, 466067, 1265039, 1465261, 1531363, 8855273, 10719541, 29095897, 203671279]

約数ペア:

[(1, 203671279), (7, 29095897), (19, 10719541), (23, 8855273), (133, 1531363), (139, 1465261), (161, 1265039), (437, 466067), (479, 425201), (973, 209323), (2641, 77119), (3059, 66581), (3197, 63707), (3353, 60743), (9101, 22379), (11017, 18487)]