68719805

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 107262144

約数和(自身を除く): 38542339

約数列:

[1, 5, 7, 11, 35, 43, 49, 55, 77, 215, 245, 301, 385, 473, 539, 593, 1505, 2107, 2365, 2695, 2965, 3311, 4151, 6523, 10535, 16555, 20755, 23177, 25499, 29057, 32615, 45661, 115885, 127495, 145285, 178493, 228305, 280489, 319627, 892465, 1249451, 1402445, 1598135, 1963423, 6247255, 9817115, 13743961, 68719805]

約数ペア:

[(1, 68719805), (5, 13743961), (7, 9817115), (11, 6247255), (35, 1963423), (43, 1598135), (49, 1402445), (55, 1249451), (77, 892465), (215, 319627), (245, 280489), (301, 228305), (385, 178493), (473, 145285), (539, 127495), (593, 115885), (1505, 45661), (2107, 32615), (2365, 29057), (2695, 25499), (2965, 23177), (3311, 20755), (4151, 16555), (6523, 10535)]