209887744

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 80

約数和(自身を含む): 464032800

約数和(自身を除く): 254145056

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 83, 88, 128, 166, 176, 256, 332, 352, 449, 512, 664, 704, 898, 913, 1328, 1408, 1796, 1826, 2656, 2816, 3592, 3652, 4939, 5312, 5632, 7184, 7304, 9878, 10624, 14368, 14608, 19756, 21248, 28736, 29216, 37267, 39512, 42496, 57472, 58432, 74534, 79024, 114944, 116864, 149068, 158048, 229888, 233728, 298136, 316096, 409937, 467456, 596272, 632192, 819874, 1192544, 1264384, 1639748, 2385088, 2528768, 3279496, 4770176, 6558992, 9540352, 13117984, 19080704, 26235968, 52471936, 104943872, 209887744]

約数ペア:

[(1, 209887744), (2, 104943872), (4, 52471936), (8, 26235968), (11, 19080704), (16, 13117984), (22, 9540352), (32, 6558992), (44, 4770176), (64, 3279496), (83, 2528768), (88, 2385088), (128, 1639748), (166, 1264384), (176, 1192544), (256, 819874), (332, 632192), (352, 596272), (449, 467456), (512, 409937), (664, 316096), (704, 298136), (898, 233728), (913, 229888), (1328, 158048), (1408, 149068), (1796, 116864), (1826, 114944), (2656, 79024), (2816, 74534), (3592, 58432), (3652, 57472), (4939, 42496), (5312, 39512), (5632, 37267), (7184, 29216), (7304, 28736), (9878, 21248), (10624, 19756), (14368, 14608)]