646670952

素因数分解:

$2^3\times 3^4\times {\mathrm{997949}}^1$

素因数の和:997967

約数の個数: 40

約数和(自身を含む): 1811279250

約数和(自身を除く): 1164608298

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 997949, 1995898, 2993847, 3991796, 5987694, 7983592, 8981541, 11975388, 17963082, 23950776, 26944623, 35926164, 53889246, 71852328, 80833869, 107778492, 161667738, 215556984, 323335476, 646670952]

約数ペア:

[(1, 646670952), (2, 323335476), (3, 215556984), (4, 161667738), (6, 107778492), (8, 80833869), (9, 71852328), (12, 53889246), (18, 35926164), (24, 26944623), (27, 23950776), (36, 17963082), (54, 11975388), (72, 8981541), (81, 7983592), (108, 5987694), (162, 3991796), (216, 2993847), (324, 1995898), (648, 997949)]