78987258

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{208961}}^1$

素因数の和:208979

約数の個数: 32

約数和(自身を含む): 200603520

約数和(自身を除く): 121616262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 208961, 417922, 626883, 1253766, 1462727, 1880649, 2925454, 3761298, 4388181, 5641947, 8776362, 11283894, 13164543, 26329086, 39493629, 78987258]

約数ペア:

[(1, 78987258), (2, 39493629), (3, 26329086), (6, 13164543), (7, 11283894), (9, 8776362), (14, 5641947), (18, 4388181), (21, 3761298), (27, 2925454), (42, 1880649), (54, 1462727), (63, 1253766), (126, 626883), (189, 417922), (378, 208961)]