221440768

素因数分解:

$2^8\times {\mathrm{865003}}^1$

素因数の和:865019

約数の個数: 18

約数和(自身を含む): 442017044

約数和(自身を除く): 220576276

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 865003, 1730006, 3460012, 6920024, 13840048, 27680096, 55360192, 110720384, 221440768]

約数ペア:

[(1, 221440768), (2, 110720384), (4, 55360192), (8, 27680096), (16, 13840048), (32, 6920024), (64, 3460012), (128, 1730006), (256, 865003)]