16780708

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 35610624

約数和(自身を除く): 18829916

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 71, 92, 142, 161, 284, 322, 367, 497, 644, 734, 994, 1468, 1633, 1988, 2569, 3266, 5138, 6532, 8441, 10276, 11431, 16882, 22862, 26057, 33764, 45724, 52114, 59087, 104228, 118174, 182399, 236348, 364798, 599311, 729596, 1198622, 2397244, 4195177, 8390354, 16780708]

約数ペア:

[(1, 16780708), (2, 8390354), (4, 4195177), (7, 2397244), (14, 1198622), (23, 729596), (28, 599311), (46, 364798), (71, 236348), (92, 182399), (142, 118174), (161, 104228), (284, 59087), (322, 52114), (367, 45724), (497, 33764), (644, 26057), (734, 22862), (994, 16882), (1468, 11431), (1633, 10276), (1988, 8441), (2569, 6532), (3266, 5138)]