257062416

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 160

約数和(自身を含む): 751285248

約数和(自身を除く): 494222832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 97, 104, 124, 137, 156, 186, 194, 208, 248, 274, 291, 312, 372, 388, 403, 411, 496, 548, 582, 624, 744, 776, 806, 822, 1096, 1164, 1209, 1261, 1488, 1552, 1612, 1644, 1781, 2192, 2328, 2418, 2522, 3007, 3224, 3288, 3562, 3783, 4247, 4656, 4836, 5044, 5343, 6014, 6448, 6576, 7124, 7566, 8494, 9021, 9672, 10088, 10686, 12028, 12741, 13289, 14248, 15132, 16988, 18042, 19344, 20176, 21372, 24056, 25482, 26578, 28496, 30264, 33976, 36084, 39091, 39867, 42744, 48112, 50964, 53156, 55211, 60528, 67952, 72168, 78182, 79734, 85488, 101928, 106312, 110422, 117273, 144336, 156364, 159468, 165633, 172757, 203856, 212624, 220844, 234546, 312728, 318936, 331266, 345514, 411959, 441688, 469092, 518271, 625456, 637872, 662532, 691028, 823918, 883376, 938184, 1036542, 1235877, 1325064, 1382056, 1647836, 1876368, 2073084, 2471754, 2650128, 2764112, 3295672, 4146168, 4943508, 5355467, 6591344, 8292336, 9887016, 10710934, 16066401, 19774032, 21421868, 32132802, 42843736, 64265604, 85687472, 128531208, 257062416]

約数ペア:

[(1, 257062416), (2, 128531208), (3, 85687472), (4, 64265604), (6, 42843736), (8, 32132802), (12, 21421868), (13, 19774032), (16, 16066401), (24, 10710934), (26, 9887016), (31, 8292336), (39, 6591344), (48, 5355467), (52, 4943508), (62, 4146168), (78, 3295672), (93, 2764112), (97, 2650128), (104, 2471754), (124, 2073084), (137, 1876368), (156, 1647836), (186, 1382056), (194, 1325064), (208, 1235877), (248, 1036542), (274, 938184), (291, 883376), (312, 823918), (372, 691028), (388, 662532), (403, 637872), (411, 625456), (496, 518271), (548, 469092), (582, 441688), (624, 411959), (744, 345514), (776, 331266), (806, 318936), (822, 312728), (1096, 234546), (1164, 220844), (1209, 212624), (1261, 203856), (1488, 172757), (1552, 165633), (1612, 159468), (1644, 156364), (1781, 144336), (2192, 117273), (2328, 110422), (2418, 106312), (2522, 101928), (3007, 85488), (3224, 79734), (3288, 78182), (3562, 72168), (3783, 67952), (4247, 60528), (4656, 55211), (4836, 53156), (5044, 50964), (5343, 48112), (6014, 42744), (6448, 39867), (6576, 39091), (7124, 36084), (7566, 33976), (8494, 30264), (9021, 28496), (9672, 26578), (10088, 25482), (10686, 24056), (12028, 21372), (12741, 20176), (13289, 19344), (14248, 18042), (15132, 16988)]