28507128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{91369}}^1$

素因数の和:91391

約数の個数: 32

約数和(自身を含む): 76750800

約数和(自身を除く): 48243672

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 91369, 182738, 274107, 365476, 548214, 730952, 1096428, 1187797, 2192856, 2375594, 3563391, 4751188, 7126782, 9502376, 14253564, 28507128]

約数ペア:

[(1, 28507128), (2, 14253564), (3, 9502376), (4, 7126782), (6, 4751188), (8, 3563391), (12, 2375594), (13, 2192856), (24, 1187797), (26, 1096428), (39, 730952), (52, 548214), (78, 365476), (104, 274107), (156, 182738), (312, 91369)]