28781704

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2663}}^1$

素因数の和:2869

約数の個数: 32

約数和(自身を含む): 62017920

約数和(自身を除く): 33236216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 2663, 2702, 5326, 5404, 10652, 10808, 18641, 21304, 37282, 74564, 149128, 513959, 1027918, 2055836, 3597713, 4111672, 7195426, 14390852, 28781704]

約数ペア:

[(1, 28781704), (2, 14390852), (4, 7195426), (7, 4111672), (8, 3597713), (14, 2055836), (28, 1027918), (56, 513959), (193, 149128), (386, 74564), (772, 37282), (1351, 21304), (1544, 18641), (2663, 10808), (2702, 10652), (5326, 5404)]