261623562016

素因数分解:

$2^5\times {\mathrm{389}}^1\times {\mathrm{21017317}}^1$

素因数の和:21017716

約数の個数: 24

約数和(自身を含む): 516395503260

約数和(自身を除く): 254771941244

約数列:

[1, 2, 4, 8, 16, 32, 389, 778, 1556, 3112, 6224, 12448, 21017317, 42034634, 84069268, 168138536, 336277072, 672554144, 8175736313, 16351472626, 32702945252, 65405890504, 130811781008, 261623562016]

約数ペア:

[(1, 261623562016), (2, 130811781008), (4, 65405890504), (8, 32702945252), (16, 16351472626), (32, 8175736313), (389, 672554144), (778, 336277072), (1556, 168138536), (3112, 84069268), (6224, 42034634), (12448, 21017317)]