251569461

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 414731520

約数和(自身を除く): 163162059

約数列:

[1, 3, 11, 13, 29, 33, 39, 73, 87, 143, 219, 277, 319, 377, 429, 803, 831, 949, 957, 1131, 2117, 2409, 2847, 3047, 3601, 4147, 6351, 8033, 9141, 10439, 10803, 12441, 20221, 23287, 24099, 27521, 31317, 39611, 60663, 69861, 82563, 88363, 104429, 118833, 222431, 262873, 265089, 302731, 313287, 586409, 667293, 788619, 908193, 1148719, 1759227, 2891603, 3446157, 6450499, 7623317, 8674809, 19351497, 22869951, 83856487, 251569461]

約数ペア:

[(1, 251569461), (3, 83856487), (11, 22869951), (13, 19351497), (29, 8674809), (33, 7623317), (39, 6450499), (73, 3446157), (87, 2891603), (143, 1759227), (219, 1148719), (277, 908193), (319, 788619), (377, 667293), (429, 586409), (803, 313287), (831, 302731), (949, 265089), (957, 262873), (1131, 222431), (2117, 118833), (2409, 104429), (2847, 88363), (3047, 82563), (3601, 69861), (4147, 60663), (6351, 39611), (8033, 31317), (9141, 27521), (10439, 24099), (10803, 23287), (12441, 20221)]