28206564

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{641}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 69746880

約数和(自身を除く): 41540316

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 193, 228, 386, 579, 641, 772, 1158, 1282, 1923, 2316, 2564, 3667, 3846, 7334, 7692, 11001, 12179, 14668, 22002, 24358, 36537, 44004, 48716, 73074, 123713, 146148, 247426, 371139, 494852, 742278, 1484556, 2350547, 4701094, 7051641, 9402188, 14103282, 28206564]

約数ペア:

[(1, 28206564), (2, 14103282), (3, 9402188), (4, 7051641), (6, 4701094), (12, 2350547), (19, 1484556), (38, 742278), (57, 494852), (76, 371139), (114, 247426), (193, 146148), (228, 123713), (386, 73074), (579, 48716), (641, 44004), (772, 36537), (1158, 24358), (1282, 22002), (1923, 14668), (2316, 12179), (2564, 11001), (3667, 7692), (3846, 7334)]