28103888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:699

約数の個数: 40

約数和(自身を含む): 57734400

約数和(自身を除く): 29630512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 193, 304, 386, 479, 772, 958, 1544, 1916, 3088, 3667, 3832, 7334, 7664, 9101, 14668, 18202, 29336, 36404, 58672, 72808, 92447, 145616, 184894, 369788, 739576, 1479152, 1756493, 3512986, 7025972, 14051944, 28103888]

約数ペア:

[(1, 28103888), (2, 14051944), (4, 7025972), (8, 3512986), (16, 1756493), (19, 1479152), (38, 739576), (76, 369788), (152, 184894), (193, 145616), (304, 92447), (386, 72808), (479, 58672), (772, 36404), (958, 29336), (1544, 18202), (1916, 14668), (3088, 9101), (3667, 7664), (3832, 7334)]