1680679

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 32

約数和(自身を含む): 2386944

約数和(自身を除く): 706265

約数列:

[1, 7, 11, 13, 23, 73, 77, 91, 143, 161, 253, 299, 511, 803, 949, 1001, 1679, 1771, 2093, 3289, 5621, 6643, 10439, 11753, 18469, 21827, 23023, 73073, 129283, 152789, 240097, 1680679]

約数ペア:

[(1, 1680679), (7, 240097), (11, 152789), (13, 129283), (23, 73073), (73, 23023), (77, 21827), (91, 18469), (143, 11753), (161, 10439), (253, 6643), (299, 5621), (511, 3289), (803, 2093), (949, 1771), (1001, 1679)]