81154472

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 185328000

約数和(自身を除く): 104173528

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 89, 133, 152, 178, 266, 356, 532, 623, 712, 857, 1064, 1246, 1691, 1714, 2492, 3382, 3428, 4984, 5999, 6764, 6856, 11837, 11998, 13528, 16283, 23674, 23996, 32566, 47348, 47992, 65132, 76273, 94696, 113981, 130264, 152546, 227962, 305092, 455924, 533911, 610184, 911848, 1067822, 1449187, 2135644, 2898374, 4271288, 5796748, 10144309, 11593496, 20288618, 40577236, 81154472]

約数ペア:

[(1, 81154472), (2, 40577236), (4, 20288618), (7, 11593496), (8, 10144309), (14, 5796748), (19, 4271288), (28, 2898374), (38, 2135644), (56, 1449187), (76, 1067822), (89, 911848), (133, 610184), (152, 533911), (178, 455924), (266, 305092), (356, 227962), (532, 152546), (623, 130264), (712, 113981), (857, 94696), (1064, 76273), (1246, 65132), (1691, 47992), (1714, 47348), (2492, 32566), (3382, 23996), (3428, 23674), (4984, 16283), (5999, 13528), (6764, 11998), (6856, 11837)]