221472496

素因数分解:

$2^4\times 7^1\times {\mathrm{1977433}}^1$

素因数の和:1977448

約数の個数: 20

約数和(自身を含む): 490403632

約数和(自身を除く): 268931136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1977433, 3954866, 7909732, 13842031, 15819464, 27684062, 31638928, 55368124, 110736248, 221472496]

約数ペア:

[(1, 221472496), (2, 110736248), (4, 55368124), (7, 31638928), (8, 27684062), (14, 15819464), (16, 13842031), (28, 7909732), (56, 3954866), (112, 1977433)]