251291208

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 773521920

約数和(自身を除く): 522230712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 49, 56, 61, 62, 84, 93, 98, 113, 122, 124, 147, 168, 183, 186, 196, 217, 226, 244, 248, 294, 339, 366, 372, 392, 427, 434, 452, 488, 588, 651, 678, 732, 744, 791, 854, 868, 904, 1176, 1281, 1302, 1356, 1464, 1519, 1582, 1708, 1736, 1891, 2373, 2562, 2604, 2712, 2989, 3038, 3164, 3416, 3503, 3782, 4557, 4746, 5124, 5208, 5537, 5673, 5978, 6076, 6328, 6893, 7006, 7564, 8967, 9114, 9492, 10248, 10509, 11074, 11346, 11956, 12152, 13237, 13786, 14012, 15128, 16611, 17934, 18228, 18984, 20679, 21018, 22148, 22692, 23912, 24521, 26474, 27572, 28024, 33222, 35868, 36456, 39711, 41358, 42036, 44296, 45384, 48251, 49042, 52948, 55144, 66444, 71736, 73563, 79422, 82716, 84072, 92659, 96502, 98084, 105896, 132888, 144753, 147126, 158844, 165432, 171647, 185318, 193004, 196168, 213683, 277977, 289506, 294252, 317688, 337757, 343294, 370636, 386008, 427366, 514941, 555954, 579012, 588504, 641049, 675514, 686588, 741272, 854732, 1013271, 1029882, 1111908, 1158024, 1282098, 1351028, 1373176, 1495781, 1709464, 2026542, 2059764, 2223816, 2564196, 2702056, 2991562, 4053084, 4119528, 4487343, 5128392, 5983124, 8106168, 8974686, 10470467, 11966248, 17949372, 20940934, 31411401, 35898744, 41881868, 62822802, 83763736, 125645604, 251291208]

約数ペア:

[(1, 251291208), (2, 125645604), (3, 83763736), (4, 62822802), (6, 41881868), (7, 35898744), (8, 31411401), (12, 20940934), (14, 17949372), (21, 11966248), (24, 10470467), (28, 8974686), (31, 8106168), (42, 5983124), (49, 5128392), (56, 4487343), (61, 4119528), (62, 4053084), (84, 2991562), (93, 2702056), (98, 2564196), (113, 2223816), (122, 2059764), (124, 2026542), (147, 1709464), (168, 1495781), (183, 1373176), (186, 1351028), (196, 1282098), (217, 1158024), (226, 1111908), (244, 1029882), (248, 1013271), (294, 854732), (339, 741272), (366, 686588), (372, 675514), (392, 641049), (427, 588504), (434, 579012), (452, 555954), (488, 514941), (588, 427366), (651, 386008), (678, 370636), (732, 343294), (744, 337757), (791, 317688), (854, 294252), (868, 289506), (904, 277977), (1176, 213683), (1281, 196168), (1302, 193004), (1356, 185318), (1464, 171647), (1519, 165432), (1582, 158844), (1708, 147126), (1736, 144753), (1891, 132888), (2373, 105896), (2562, 98084), (2604, 96502), (2712, 92659), (2989, 84072), (3038, 82716), (3164, 79422), (3416, 73563), (3503, 71736), (3782, 66444), (4557, 55144), (4746, 52948), (5124, 49042), (5208, 48251), (5537, 45384), (5673, 44296), (5978, 42036), (6076, 41358), (6328, 39711), (6893, 36456), (7006, 35868), (7564, 33222), (8967, 28024), (9114, 27572), (9492, 26474), (10248, 24521), (10509, 23912), (11074, 22692), (11346, 22148), (11956, 21018), (12152, 20679), (13237, 18984), (13786, 18228), (14012, 17934), (15128, 16611)]