388675938

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{188861}}^1$

素因数の和:188887

約数の個数: 32

約数和(自身を含む): 906537600

約数和(自身を除く): 517861662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 188861, 377722, 566583, 1133166, 1322027, 2644054, 3966081, 7932162, 9254189, 18508378, 27762567, 55525134, 64779323, 129558646, 194337969, 388675938]

約数ペア:

[(1, 388675938), (2, 194337969), (3, 129558646), (6, 64779323), (7, 55525134), (14, 27762567), (21, 18508378), (42, 9254189), (49, 7932162), (98, 3966081), (147, 2644054), (294, 1322027), (343, 1133166), (686, 566583), (1029, 377722), (2058, 188861)]