28252692

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20123}}^1$

素因数の和:20149

約数の個数: 48

約数和(自身を含む): 78886080

約数和(自身を除く): 50633388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20123, 40246, 60369, 80492, 120738, 181107, 241476, 261599, 362214, 523198, 543321, 724428, 784797, 1046396, 1086642, 1569594, 2173284, 2354391, 3139188, 4708782, 7063173, 9417564, 14126346, 28252692]

約数ペア:

[(1, 28252692), (2, 14126346), (3, 9417564), (4, 7063173), (6, 4708782), (9, 3139188), (12, 2354391), (13, 2173284), (18, 1569594), (26, 1086642), (27, 1046396), (36, 784797), (39, 724428), (52, 543321), (54, 523198), (78, 362214), (108, 261599), (117, 241476), (156, 181107), (234, 120738), (351, 80492), (468, 60369), (702, 40246), (1404, 20123)]