80974648

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3853}}^1$

素因数の和:3967

約数の個数: 32

約数和(自身を含む): 158168160

約数和(自身を除く): 77193512

約数列:

[1, 2, 4, 8, 37, 71, 74, 142, 148, 284, 296, 568, 2627, 3853, 5254, 7706, 10508, 15412, 21016, 30824, 142561, 273563, 285122, 547126, 570244, 1094252, 1140488, 2188504, 10121831, 20243662, 40487324, 80974648]

約数ペア:

[(1, 80974648), (2, 40487324), (4, 20243662), (8, 10121831), (37, 2188504), (71, 1140488), (74, 1094252), (142, 570244), (148, 547126), (284, 285122), (296, 273563), (568, 142561), (2627, 30824), (3853, 21016), (5254, 15412), (7706, 10508)]