289396020319

素因数分解:

$7^2\times {\mathrm{97}}^1\times {\mathrm{8087}}^1\times {\mathrm{7529}}^1$

素因数の和:15727

約数の個数: 24

約数和(自身を含む): 340202147040

約数和(自身を除く): 50806126721

約数列:

[1, 7, 49, 97, 679, 4753, 7529, 8087, 52703, 56609, 368921, 396263, 730313, 784439, 5112191, 5491073, 35785337, 38437511, 60887023, 426209161, 2983464127, 5906041231, 41342288617, 289396020319]

約数ペア:

[(1, 289396020319), (7, 41342288617), (49, 5906041231), (97, 2983464127), (679, 426209161), (4753, 60887023), (7529, 38437511), (8087, 35785337), (52703, 5491073), (56609, 5112191), (368921, 784439), (396263, 730313)]