2018689456

素因数分解:

$2^4\times 7^3\times {\mathrm{89}}^1\times {\mathrm{4133}}^1$

素因数の和:4251

約数の個数: 80

約数和(自身を含む): 4613544000

約数和(自身を除く): 2594854544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 89, 98, 112, 178, 196, 343, 356, 392, 623, 686, 712, 784, 1246, 1372, 1424, 2492, 2744, 4133, 4361, 4984, 5488, 8266, 8722, 9968, 16532, 17444, 28931, 30527, 33064, 34888, 57862, 61054, 66128, 69776, 115724, 122108, 202517, 231448, 244216, 367837, 405034, 462896, 488432, 735674, 810068, 1417619, 1471348, 1620136, 2574859, 2835238, 2942696, 3240272, 5149718, 5670476, 5885392, 10299436, 11340952, 18024013, 20598872, 22681904, 36048026, 41197744, 72096052, 126168091, 144192104, 252336182, 288384208, 504672364, 1009344728, 2018689456]

約数ペア:

[(1, 2018689456), (2, 1009344728), (4, 504672364), (7, 288384208), (8, 252336182), (14, 144192104), (16, 126168091), (28, 72096052), (49, 41197744), (56, 36048026), (89, 22681904), (98, 20598872), (112, 18024013), (178, 11340952), (196, 10299436), (343, 5885392), (356, 5670476), (392, 5149718), (623, 3240272), (686, 2942696), (712, 2835238), (784, 2574859), (1246, 1620136), (1372, 1471348), (1424, 1417619), (2492, 810068), (2744, 735674), (4133, 488432), (4361, 462896), (4984, 405034), (5488, 367837), (8266, 244216), (8722, 231448), (9968, 202517), (16532, 122108), (17444, 115724), (28931, 69776), (30527, 66128), (33064, 61054), (34888, 57862)]