81708648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3499}}^1$

素因数の和:3654

約数の個数: 64

約数和(自身を含む): 235200000

約数和(自身を除く): 153491352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 139, 168, 278, 417, 556, 834, 973, 1112, 1668, 1946, 2919, 3336, 3499, 3892, 5838, 6998, 7784, 10497, 11676, 13996, 20994, 23352, 24493, 27992, 41988, 48986, 73479, 83976, 97972, 146958, 195944, 293916, 486361, 587832, 972722, 1459083, 1945444, 2918166, 3404527, 3890888, 5836332, 6809054, 10213581, 11672664, 13618108, 20427162, 27236216, 40854324, 81708648]

約数ペア:

[(1, 81708648), (2, 40854324), (3, 27236216), (4, 20427162), (6, 13618108), (7, 11672664), (8, 10213581), (12, 6809054), (14, 5836332), (21, 3890888), (24, 3404527), (28, 2918166), (42, 1945444), (56, 1459083), (84, 972722), (139, 587832), (168, 486361), (278, 293916), (417, 195944), (556, 146958), (834, 97972), (973, 83976), (1112, 73479), (1668, 48986), (1946, 41988), (2919, 27992), (3336, 24493), (3499, 23352), (3892, 20994), (5838, 13996), (6998, 11676), (7784, 10497)]