231488656

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1200

約数の個数: 80

約数和(自身を含む): 538283008

約数和(自身を除く): 306794352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 61, 62, 112, 122, 124, 217, 244, 248, 427, 434, 488, 496, 854, 868, 976, 1093, 1708, 1736, 1891, 2186, 3416, 3472, 3782, 4372, 6832, 7564, 7651, 8744, 13237, 15128, 15302, 17488, 26474, 30256, 30604, 33883, 52948, 61208, 66673, 67766, 105896, 122416, 133346, 135532, 211792, 237181, 266692, 271064, 466711, 474362, 533384, 542128, 933422, 948724, 1066768, 1866844, 1897448, 2066863, 3733688, 3794896, 4133726, 7467376, 8267452, 14468041, 16534904, 28936082, 33069808, 57872164, 115744328, 231488656]

約数ペア:

[(1, 231488656), (2, 115744328), (4, 57872164), (7, 33069808), (8, 28936082), (14, 16534904), (16, 14468041), (28, 8267452), (31, 7467376), (56, 4133726), (61, 3794896), (62, 3733688), (112, 2066863), (122, 1897448), (124, 1866844), (217, 1066768), (244, 948724), (248, 933422), (427, 542128), (434, 533384), (488, 474362), (496, 466711), (854, 271064), (868, 266692), (976, 237181), (1093, 211792), (1708, 135532), (1736, 133346), (1891, 122416), (2186, 105896), (3416, 67766), (3472, 66673), (3782, 61208), (4372, 52948), (6832, 33883), (7564, 30604), (7651, 30256), (8744, 26474), (13237, 17488), (15128, 15302)]