123129985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 167629824

約数和(自身を除く): 44499839

約数列:

[1, 5, 11, 31, 55, 155, 257, 281, 341, 1285, 1405, 1705, 2827, 3091, 7967, 8711, 14135, 15455, 39835, 43555, 72217, 87637, 95821, 361085, 438185, 479105, 794387, 2238727, 3971935, 11193635, 24625997, 123129985]

約数ペア:

[(1, 123129985), (5, 24625997), (11, 11193635), (31, 3971935), (55, 2238727), (155, 794387), (257, 479105), (281, 438185), (341, 361085), (1285, 95821), (1405, 87637), (1705, 72217), (2827, 43555), (3091, 39835), (7967, 15455), (8711, 14135)]