321620218

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 502848000

約数和(自身を除く): 181227782

約数列:

[1, 2, 53, 79, 106, 158, 193, 199, 386, 398, 4187, 8374, 10229, 10547, 15247, 15721, 20458, 21094, 30494, 31442, 38407, 76814, 808091, 833213, 1616182, 1666426, 2035571, 3034153, 4071142, 6068306, 160810109, 321620218]

約数ペア:

[(1, 321620218), (2, 160810109), (53, 6068306), (79, 4071142), (106, 3034153), (158, 2035571), (193, 1666426), (199, 1616182), (386, 833213), (398, 808091), (4187, 76814), (8374, 38407), (10229, 31442), (10547, 30494), (15247, 21094), (15721, 20458)]