491901984

素因数分解:

$2^5\times 3^5\times 7^2\times {\mathrm{1291}}^1$

素因数の和:1330

約数の個数: 216

約数和(自身を含む): 1688804208

約数和(自身を除く): 1196902224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 224, 243, 252, 288, 294, 324, 336, 378, 392, 432, 441, 486, 504, 567, 588, 648, 672, 756, 784, 864, 882, 972, 1008, 1134, 1176, 1291, 1296, 1323, 1512, 1568, 1701, 1764, 1944, 2016, 2268, 2352, 2582, 2592, 2646, 3024, 3402, 3528, 3873, 3888, 3969, 4536, 4704, 5164, 5292, 6048, 6804, 7056, 7746, 7776, 7938, 9037, 9072, 10328, 10584, 11619, 11907, 13608, 14112, 15492, 15876, 18074, 18144, 20656, 21168, 23238, 23814, 27111, 27216, 30984, 31752, 34857, 36148, 41312, 42336, 46476, 47628, 54222, 54432, 61968, 63259, 63504, 69714, 72296, 81333, 92952, 95256, 104571, 108444, 123936, 126518, 127008, 139428, 144592, 162666, 185904, 189777, 190512, 209142, 216888, 243999, 253036, 278856, 289184, 313713, 325332, 371808, 379554, 381024, 418284, 433776, 487998, 506072, 557712, 569331, 627426, 650664, 731997, 759108, 836568, 867552, 975996, 1012144, 1115424, 1138662, 1254852, 1301328, 1463994, 1518216, 1673136, 1707993, 1951992, 2024288, 2195991, 2277324, 2509704, 2602656, 2927988, 3036432, 3346272, 3415986, 3903984, 4391982, 4554648, 5019408, 5123979, 5855976, 6072864, 6831972, 7807968, 8783964, 9109296, 10038816, 10247958, 11711952, 13663944, 15371937, 17567928, 18218592, 20495916, 23423904, 27327888, 30743874, 35135856, 40991832, 54655776, 61487748, 70271712, 81983664, 122975496, 163967328, 245950992, 491901984]

約数ペア:

[(1, 491901984), (2, 245950992), (3, 163967328), (4, 122975496), (6, 81983664), (7, 70271712), (8, 61487748), (9, 54655776), (12, 40991832), (14, 35135856), (16, 30743874), (18, 27327888), (21, 23423904), (24, 20495916), (27, 18218592), (28, 17567928), (32, 15371937), (36, 13663944), (42, 11711952), (48, 10247958), (49, 10038816), (54, 9109296), (56, 8783964), (63, 7807968), (72, 6831972), (81, 6072864), (84, 5855976), (96, 5123979), (98, 5019408), (108, 4554648), (112, 4391982), (126, 3903984), (144, 3415986), (147, 3346272), (162, 3036432), (168, 2927988), (189, 2602656), (196, 2509704), (216, 2277324), (224, 2195991), (243, 2024288), (252, 1951992), (288, 1707993), (294, 1673136), (324, 1518216), (336, 1463994), (378, 1301328), (392, 1254852), (432, 1138662), (441, 1115424), (486, 1012144), (504, 975996), (567, 867552), (588, 836568), (648, 759108), (672, 731997), (756, 650664), (784, 627426), (864, 569331), (882, 557712), (972, 506072), (1008, 487998), (1134, 433776), (1176, 418284), (1291, 381024), (1296, 379554), (1323, 371808), (1512, 325332), (1568, 313713), (1701, 289184), (1764, 278856), (1944, 253036), (2016, 243999), (2268, 216888), (2352, 209142), (2582, 190512), (2592, 189777), (2646, 185904), (3024, 162666), (3402, 144592), (3528, 139428), (3873, 127008), (3888, 126518), (3969, 123936), (4536, 108444), (4704, 104571), (5164, 95256), (5292, 92952), (6048, 81333), (6804, 72296), (7056, 69714), (7746, 63504), (7776, 63259), (7938, 61968), (9037, 54432), (9072, 54222), (10328, 47628), (10584, 46476), (11619, 42336), (11907, 41312), (13608, 36148), (14112, 34857), (15492, 31752), (15876, 30984), (18074, 27216), (18144, 27111), (20656, 23814), (21168, 23238)]