257354328

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2963}}^1$

素因数の和:3037

約数の個数: 128

約数和(自身を含む): 819486720

約数和(自身を除く): 562132392

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 47, 56, 66, 77, 84, 88, 94, 132, 141, 154, 168, 188, 231, 264, 282, 308, 329, 376, 462, 517, 564, 616, 658, 924, 987, 1034, 1128, 1316, 1551, 1848, 1974, 2068, 2632, 2963, 3102, 3619, 3948, 4136, 5926, 6204, 7238, 7896, 8889, 10857, 11852, 12408, 14476, 17778, 20741, 21714, 23704, 28952, 32593, 35556, 41482, 43428, 62223, 65186, 71112, 82964, 86856, 97779, 124446, 130372, 139261, 165928, 195558, 228151, 248892, 260744, 278522, 391116, 417783, 456302, 497784, 557044, 684453, 782232, 835566, 912604, 974827, 1114088, 1368906, 1531871, 1671132, 1825208, 1949654, 2737812, 2924481, 3063742, 3342264, 3899308, 4595613, 5475624, 5848962, 6127484, 7798616, 9191226, 10723097, 11697924, 12254968, 18382452, 21446194, 23395848, 32169291, 36764904, 42892388, 64338582, 85784776, 128677164, 257354328]

約数ペア:

[(1, 257354328), (2, 128677164), (3, 85784776), (4, 64338582), (6, 42892388), (7, 36764904), (8, 32169291), (11, 23395848), (12, 21446194), (14, 18382452), (21, 12254968), (22, 11697924), (24, 10723097), (28, 9191226), (33, 7798616), (42, 6127484), (44, 5848962), (47, 5475624), (56, 4595613), (66, 3899308), (77, 3342264), (84, 3063742), (88, 2924481), (94, 2737812), (132, 1949654), (141, 1825208), (154, 1671132), (168, 1531871), (188, 1368906), (231, 1114088), (264, 974827), (282, 912604), (308, 835566), (329, 782232), (376, 684453), (462, 557044), (517, 497784), (564, 456302), (616, 417783), (658, 391116), (924, 278522), (987, 260744), (1034, 248892), (1128, 228151), (1316, 195558), (1551, 165928), (1848, 139261), (1974, 130372), (2068, 124446), (2632, 97779), (2963, 86856), (3102, 82964), (3619, 71112), (3948, 65186), (4136, 62223), (5926, 43428), (6204, 41482), (7238, 35556), (7896, 32593), (8889, 28952), (10857, 23704), (11852, 21714), (12408, 20741), (14476, 17778)]