778870728

素因数分解:

$2^3\times 3^4\times {\mathrm{1201961}}^1$

素因数の和:1201979

約数の個数: 40

約数和(自身を含む): 2181561030

約数和(自身を除く): 1402690302

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1201961, 2403922, 3605883, 4807844, 7211766, 9615688, 10817649, 14423532, 21635298, 28847064, 32452947, 43270596, 64905894, 86541192, 97358841, 129811788, 194717682, 259623576, 389435364, 778870728]

約数ペア:

[(1, 778870728), (2, 389435364), (3, 259623576), (4, 194717682), (6, 129811788), (8, 97358841), (9, 86541192), (12, 64905894), (18, 43270596), (24, 32452947), (27, 28847064), (36, 21635298), (54, 14423532), (72, 10817649), (81, 9615688), (108, 7211766), (162, 4807844), (216, 3605883), (324, 2403922), (648, 1201961)]