805250645

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 1043497728

約数和(自身を除く): 238247083

約数列:

[1, 5, 17, 83, 85, 157, 415, 727, 785, 1411, 2669, 3635, 7055, 12359, 13031, 13345, 60341, 61795, 65155, 114139, 221527, 301705, 570695, 1025797, 1107635, 1940363, 5128985, 9473537, 9701815, 47367685, 161050129, 805250645]

約数ペア:

[(1, 805250645), (5, 161050129), (17, 47367685), (83, 9701815), (85, 9473537), (157, 5128985), (415, 1940363), (727, 1107635), (785, 1025797), (1411, 570695), (2669, 301705), (3635, 221527), (7055, 114139), (12359, 65155), (13031, 61795), (13345, 60341)]