128997288

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{255947}}^1$

素因数の和:255966

約数の個数: 48

約数和(自身を含む): 399278880

約数和(自身を除く): 270281592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 255947, 511894, 767841, 1023788, 1535682, 1791629, 2047576, 2303523, 3071364, 3583258, 4607046, 5374887, 6142728, 7166516, 9214092, 10749774, 14333032, 16124661, 18428184, 21499548, 32249322, 42999096, 64498644, 128997288]

約数ペア:

[(1, 128997288), (2, 64498644), (3, 42999096), (4, 32249322), (6, 21499548), (7, 18428184), (8, 16124661), (9, 14333032), (12, 10749774), (14, 9214092), (18, 7166516), (21, 6142728), (24, 5374887), (28, 4607046), (36, 3583258), (42, 3071364), (56, 2303523), (63, 2047576), (72, 1791629), (84, 1535682), (126, 1023788), (168, 767841), (252, 511894), (504, 255947)]