331298782

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 530784000

約数和(自身を除く): 199485218

約数列:

[1, 2, 19, 38, 193, 199, 227, 386, 398, 454, 3667, 3781, 4313, 7334, 7562, 8626, 38407, 43811, 45173, 76814, 87622, 90346, 729733, 832409, 858287, 1459466, 1664818, 1716574, 8718389, 17436778, 165649391, 331298782]

約数ペア:

[(1, 331298782), (2, 165649391), (19, 17436778), (38, 8718389), (193, 1716574), (199, 1664818), (227, 1459466), (386, 858287), (398, 832409), (454, 729733), (3667, 90346), (3781, 87622), (4313, 76814), (7334, 45173), (7562, 43811), (8626, 38407)]