1538777776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{5077}}^1$

素因数の和:6101

約数の個数: 40

約数和(自身を含む): 3142063280

約数和(自身を除く): 1603285504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 997, 1994, 3988, 5077, 7976, 10154, 15952, 18943, 20308, 37886, 40616, 75772, 81232, 96463, 151544, 192926, 303088, 385852, 771704, 1543408, 5061769, 10123538, 20247076, 40494152, 80988304, 96173611, 192347222, 384694444, 769388888, 1538777776]

約数ペア:

[(1, 1538777776), (2, 769388888), (4, 384694444), (8, 192347222), (16, 96173611), (19, 80988304), (38, 40494152), (76, 20247076), (152, 10123538), (304, 5061769), (997, 1543408), (1994, 771704), (3988, 385852), (5077, 303088), (7976, 192926), (10154, 151544), (15952, 96463), (18943, 81232), (20308, 75772), (37886, 40616)]