66820964

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{64499}}^1$

素因数の和:64547

約数の個数: 24

約数和(自身を含む): 137256000

約数和(自身を除く): 70435036

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 64499, 128998, 257996, 451493, 902986, 1805972, 2386463, 4772926, 9545852, 16705241, 33410482, 66820964]

約数ペア:

[(1, 66820964), (2, 33410482), (4, 16705241), (7, 9545852), (14, 4772926), (28, 2386463), (37, 1805972), (74, 902986), (148, 451493), (259, 257996), (518, 128998), (1036, 64499)]