1278685754

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{709}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 2001109440

約数和(自身を除く): 722423686

約数列:

[1, 2, 43, 67, 86, 134, 313, 626, 709, 1418, 2881, 5762, 13459, 20971, 26918, 30487, 41942, 47503, 60974, 95006, 221917, 443834, 901753, 1803506, 2042629, 4085258, 9542431, 14868439, 19084862, 29736878, 639342877, 1278685754]

約数ペア:

[(1, 1278685754), (2, 639342877), (43, 29736878), (67, 19084862), (86, 14868439), (134, 9542431), (313, 4085258), (626, 2042629), (709, 1803506), (1418, 901753), (2881, 443834), (5762, 221917), (13459, 95006), (20971, 60974), (26918, 47503), (30487, 41942)]