254121285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 456228864

約数和(自身を除く): 202107579

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 127, 165, 181, 201, 335, 381, 543, 635, 737, 905, 1005, 1397, 1905, 1991, 2211, 2715, 3685, 4191, 5973, 6985, 8509, 9955, 11055, 12127, 20955, 22987, 25527, 29865, 36381, 42545, 60635, 68961, 93599, 114935, 127635, 133397, 181905, 252857, 280797, 344805, 400191, 467995, 666985, 758571, 1264285, 1403985, 1540129, 2000955, 3792855, 4620387, 7700645, 16941419, 23101935, 50824257, 84707095, 254121285]

約数ペア:

[(1, 254121285), (3, 84707095), (5, 50824257), (11, 23101935), (15, 16941419), (33, 7700645), (55, 4620387), (67, 3792855), (127, 2000955), (165, 1540129), (181, 1403985), (201, 1264285), (335, 758571), (381, 666985), (543, 467995), (635, 400191), (737, 344805), (905, 280797), (1005, 252857), (1397, 181905), (1905, 133397), (1991, 127635), (2211, 114935), (2715, 93599), (3685, 68961), (4191, 60635), (5973, 42545), (6985, 36381), (8509, 29865), (9955, 25527), (11055, 22987), (12127, 20955)]