1277391104

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6389}}^1$

素因数の和:6487

約数の個数: 72

約数和(自身を含む): 2821210560

約数和(自身を除く): 1543819456

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 128, 142, 176, 256, 284, 352, 568, 704, 781, 1136, 1408, 1562, 2272, 2816, 3124, 4544, 6248, 6389, 9088, 12496, 12778, 18176, 24992, 25556, 49984, 51112, 70279, 99968, 102224, 140558, 199936, 204448, 281116, 408896, 453619, 562232, 817792, 907238, 1124464, 1635584, 1814476, 2248928, 3628952, 4497856, 4989809, 7257904, 8995712, 9979618, 14515808, 17991424, 19959236, 29031616, 39918472, 58063232, 79836944, 116126464, 159673888, 319347776, 638695552, 1277391104]

約数ペア:

[(1, 1277391104), (2, 638695552), (4, 319347776), (8, 159673888), (11, 116126464), (16, 79836944), (22, 58063232), (32, 39918472), (44, 29031616), (64, 19959236), (71, 17991424), (88, 14515808), (128, 9979618), (142, 8995712), (176, 7257904), (256, 4989809), (284, 4497856), (352, 3628952), (568, 2248928), (704, 1814476), (781, 1635584), (1136, 1124464), (1408, 907238), (1562, 817792), (2272, 562232), (2816, 453619), (3124, 408896), (4544, 281116), (6248, 204448), (6389, 199936), (9088, 140558), (12496, 102224), (12778, 99968), (18176, 70279), (24992, 51112), (25556, 49984)]