81982768

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 192487680

約数和(自身を除く): 110504912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 43, 56, 58, 86, 112, 116, 172, 203, 232, 301, 344, 406, 464, 587, 602, 688, 812, 1174, 1204, 1247, 1624, 2348, 2408, 2494, 3248, 4109, 4696, 4816, 4988, 8218, 8729, 9392, 9976, 16436, 17023, 17458, 19952, 25241, 32872, 34046, 34916, 50482, 65744, 68092, 69832, 100964, 119161, 136184, 139664, 176687, 201928, 238322, 272368, 353374, 403856, 476644, 706748, 731989, 953288, 1413496, 1463978, 1906576, 2826992, 2927956, 5123923, 5855912, 10247846, 11711824, 20495692, 40991384, 81982768]

約数ペア:

[(1, 81982768), (2, 40991384), (4, 20495692), (7, 11711824), (8, 10247846), (14, 5855912), (16, 5123923), (28, 2927956), (29, 2826992), (43, 1906576), (56, 1463978), (58, 1413496), (86, 953288), (112, 731989), (116, 706748), (172, 476644), (203, 403856), (232, 353374), (301, 272368), (344, 238322), (406, 201928), (464, 176687), (587, 139664), (602, 136184), (688, 119161), (812, 100964), (1174, 69832), (1204, 68092), (1247, 65744), (1624, 50482), (2348, 34916), (2408, 34046), (2494, 32872), (3248, 25241), (4109, 19952), (4696, 17458), (4816, 17023), (4988, 16436), (8218, 9976), (8729, 9392)]