156890972

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{78919}}^1$

素因数の和:79001

約数の個数: 24

約数和(自身を含む): 318205440

約数和(自身を除く): 161314468

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 78919, 157838, 315676, 552433, 1104866, 2209732, 5603249, 11206498, 22412996, 39222743, 78445486, 156890972]

約数ペア:

[(1, 156890972), (2, 78445486), (4, 39222743), (7, 22412996), (14, 11206498), (28, 5603249), (71, 2209732), (142, 1104866), (284, 552433), (497, 315676), (994, 157838), (1988, 78919)]