68719804

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{1493}}^1$

素因数の和:1845

約数の個数: 24

約数和(自身を含む): 123990048

約数和(自身を除く): 55270244

約数列:

[1, 2, 4, 37, 74, 148, 311, 622, 1244, 1493, 2986, 5972, 11507, 23014, 46028, 55241, 110482, 220964, 464323, 928646, 1857292, 17179951, 34359902, 68719804]

約数ペア:

[(1, 68719804), (2, 34359902), (4, 17179951), (37, 1857292), (74, 928646), (148, 464323), (311, 220964), (622, 110482), (1244, 55241), (1493, 46028), (2986, 23014), (5972, 11507)]