1291491852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{7699}}^1$

素因数の和:9710

約数の個数: 48

約数和(自身を含む): 3446150400

約数和(自身を除く): 2154658548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1997, 3994, 5991, 7699, 7988, 11982, 13979, 15398, 23097, 23964, 27958, 30796, 41937, 46194, 53893, 55916, 83874, 92388, 107786, 161679, 167748, 215572, 323358, 646716, 15374903, 30749806, 46124709, 61499612, 92249418, 107624321, 184498836, 215248642, 322872963, 430497284, 645745926, 1291491852]

約数ペア:

[(1, 1291491852), (2, 645745926), (3, 430497284), (4, 322872963), (6, 215248642), (7, 184498836), (12, 107624321), (14, 92249418), (21, 61499612), (28, 46124709), (42, 30749806), (84, 15374903), (1997, 646716), (3994, 323358), (5991, 215572), (7699, 167748), (7988, 161679), (11982, 107786), (13979, 92388), (15398, 83874), (23097, 55916), (23964, 53893), (27958, 46194), (30796, 41937)]