68891977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20807}}^1$

素因数の和:20868

約数の個数: 16

約数和(自身を含む): 87892992

約数和(自身を除く): 19001015

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 20807, 145649, 228877, 894701, 1602139, 6262907, 9841711, 68891977]

約数ペア:

[(1, 68891977), (7, 9841711), (11, 6262907), (43, 1602139), (77, 894701), (301, 228877), (473, 145649), (3311, 20807)]