388668

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{661}}^1$

素因数の和:682

約数の個数: 36

約数和(自身を含む): 1056552

約数和(自身を除く): 667884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 661, 1322, 1983, 2644, 3966, 4627, 7932, 9254, 13881, 18508, 27762, 32389, 55524, 64778, 97167, 129556, 194334, 388668]

約数ペア:

[(1, 388668), (2, 194334), (3, 129556), (4, 97167), (6, 64778), (7, 55524), (12, 32389), (14, 27762), (21, 18508), (28, 13881), (42, 9254), (49, 7932), (84, 4627), (98, 3966), (147, 2644), (196, 1983), (294, 1322), (588, 661)]