521757528

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 1411153920

約数和(自身を除く): 889396392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 47, 62, 86, 93, 94, 124, 129, 141, 172, 186, 188, 248, 258, 282, 344, 347, 372, 376, 516, 564, 694, 744, 1032, 1041, 1128, 1333, 1388, 1457, 2021, 2082, 2666, 2776, 2914, 3999, 4042, 4164, 4371, 5332, 5828, 6063, 7998, 8084, 8328, 8742, 10664, 10757, 11656, 12126, 14921, 15996, 16168, 16309, 17484, 21514, 24252, 29842, 31992, 32271, 32618, 34968, 43028, 44763, 48504, 48927, 59684, 62651, 64542, 65236, 86056, 89526, 97854, 119368, 125302, 129084, 130472, 179052, 187953, 195708, 250604, 258168, 358104, 375906, 391416, 462551, 501208, 505579, 701287, 751812, 925102, 1011158, 1387653, 1402574, 1503624, 1516737, 1850204, 2022316, 2103861, 2775306, 2805148, 3033474, 3700408, 4044632, 4207722, 5550612, 5610296, 6066948, 8415444, 11101224, 12133896, 16830888, 21739897, 43479794, 65219691, 86959588, 130439382, 173919176, 260878764, 521757528]

約数ペア:

[(1, 521757528), (2, 260878764), (3, 173919176), (4, 130439382), (6, 86959588), (8, 65219691), (12, 43479794), (24, 21739897), (31, 16830888), (43, 12133896), (47, 11101224), (62, 8415444), (86, 6066948), (93, 5610296), (94, 5550612), (124, 4207722), (129, 4044632), (141, 3700408), (172, 3033474), (186, 2805148), (188, 2775306), (248, 2103861), (258, 2022316), (282, 1850204), (344, 1516737), (347, 1503624), (372, 1402574), (376, 1387653), (516, 1011158), (564, 925102), (694, 751812), (744, 701287), (1032, 505579), (1041, 501208), (1128, 462551), (1333, 391416), (1388, 375906), (1457, 358104), (2021, 258168), (2082, 250604), (2666, 195708), (2776, 187953), (2914, 179052), (3999, 130472), (4042, 129084), (4164, 125302), (4371, 119368), (5332, 97854), (5828, 89526), (6063, 86056), (7998, 65236), (8084, 64542), (8328, 62651), (8742, 59684), (10664, 48927), (10757, 48504), (11656, 44763), (12126, 43028), (14921, 34968), (15996, 32618), (16168, 32271), (16309, 31992), (17484, 29842), (21514, 24252)]