268044553

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 332121600

約数和(自身を除く): 64077047

約数列:

[1, 7, 23, 49, 61, 161, 343, 427, 557, 1127, 1403, 2989, 3899, 7889, 9821, 12811, 20923, 27293, 33977, 68747, 89677, 191051, 237839, 481229, 627739, 781471, 1664873, 4394173, 5470297, 11654111, 38292079, 268044553]

約数ペア:

[(1, 268044553), (7, 38292079), (23, 11654111), (49, 5470297), (61, 4394173), (161, 1664873), (343, 781471), (427, 627739), (557, 481229), (1127, 237839), (1403, 191051), (2989, 89677), (3899, 68747), (7889, 33977), (9821, 27293), (12811, 20923)]