2221568

素因数分解:

$2^9\times {\mathrm{4339}}^1$

素因数の和:4357

約数の個数: 20

約数和(自身を含む): 4439820

約数和(自身を除く): 2218252

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 4339, 8678, 17356, 34712, 69424, 138848, 277696, 555392, 1110784, 2221568]

約数ペア:

[(1, 2221568), (2, 1110784), (4, 555392), (8, 277696), (16, 138848), (32, 69424), (64, 34712), (128, 17356), (256, 8678), (512, 4339)]