257412792

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2741}}^1$

素因数の和:2813

約数の個数: 128

約数和(自身を含む): 810754560

約数和(自身を除く): 553341768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 43, 52, 56, 78, 84, 86, 91, 104, 129, 156, 168, 172, 182, 258, 273, 301, 312, 344, 364, 516, 546, 559, 602, 728, 903, 1032, 1092, 1118, 1204, 1677, 1806, 2184, 2236, 2408, 2741, 3354, 3612, 3913, 4472, 5482, 6708, 7224, 7826, 8223, 10964, 11739, 13416, 15652, 16446, 19187, 21928, 23478, 31304, 32892, 35633, 38374, 46956, 57561, 65784, 71266, 76748, 93912, 106899, 115122, 117863, 142532, 153496, 213798, 230244, 235726, 249431, 285064, 353589, 427596, 460488, 471452, 498862, 707178, 748293, 825041, 855192, 942904, 997724, 1414356, 1496586, 1532219, 1650082, 1995448, 2475123, 2828712, 2993172, 3064438, 3300164, 4596657, 4950246, 5986344, 6128876, 6600328, 9193314, 9900492, 10725533, 12257752, 18386628, 19800984, 21451066, 32176599, 36773256, 42902132, 64353198, 85804264, 128706396, 257412792]

約数ペア:

[(1, 257412792), (2, 128706396), (3, 85804264), (4, 64353198), (6, 42902132), (7, 36773256), (8, 32176599), (12, 21451066), (13, 19800984), (14, 18386628), (21, 12257752), (24, 10725533), (26, 9900492), (28, 9193314), (39, 6600328), (42, 6128876), (43, 5986344), (52, 4950246), (56, 4596657), (78, 3300164), (84, 3064438), (86, 2993172), (91, 2828712), (104, 2475123), (129, 1995448), (156, 1650082), (168, 1532219), (172, 1496586), (182, 1414356), (258, 997724), (273, 942904), (301, 855192), (312, 825041), (344, 748293), (364, 707178), (516, 498862), (546, 471452), (559, 460488), (602, 427596), (728, 353589), (903, 285064), (1032, 249431), (1092, 235726), (1118, 230244), (1204, 213798), (1677, 153496), (1806, 142532), (2184, 117863), (2236, 115122), (2408, 106899), (2741, 93912), (3354, 76748), (3612, 71266), (3913, 65784), (4472, 57561), (5482, 46956), (6708, 38374), (7224, 35633), (7826, 32892), (8223, 31304), (10964, 23478), (11739, 21928), (13416, 19187), (15652, 16446)]