28762781135

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{277}}^1\times {\mathrm{2909}}^1$

素因数の和:3272

約数の個数: 48

約数和(自身を含む): 38733962400

約数和(自身を除く): 9971181265

約数列:

[1, 5, 11, 55, 59, 121, 277, 295, 605, 649, 1385, 2909, 3047, 3245, 7139, 14545, 15235, 16343, 31999, 33517, 35695, 81715, 159995, 167585, 171631, 179773, 351989, 805793, 858155, 898865, 1759945, 1887941, 1977503, 4028965, 8863723, 9439705, 9887515, 20767351, 44318615, 47541787, 97500953, 103836755, 237708935, 487504765, 522959657, 2614798285, 5752556227, 28762781135]

約数ペア:

[(1, 28762781135), (5, 5752556227), (11, 2614798285), (55, 522959657), (59, 487504765), (121, 237708935), (277, 103836755), (295, 97500953), (605, 47541787), (649, 44318615), (1385, 20767351), (2909, 9887515), (3047, 9439705), (3245, 8863723), (7139, 4028965), (14545, 1977503), (15235, 1887941), (16343, 1759945), (31999, 898865), (33517, 858155), (35695, 805793), (81715, 351989), (159995, 179773), (167585, 171631)]