221513824

素因数分解:

$2^5\times 7^1\times {\mathrm{988901}}^1$

素因数の和:988918

約数の個数: 24

約数和(自身を含む): 498406608

約数和(自身を除く): 276892784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 988901, 1977802, 3955604, 6922307, 7911208, 13844614, 15822416, 27689228, 31644832, 55378456, 110756912, 221513824]

約数ペア:

[(1, 221513824), (2, 110756912), (4, 55378456), (7, 31644832), (8, 27689228), (14, 15822416), (16, 13844614), (28, 7911208), (32, 6922307), (56, 3955604), (112, 1977802), (224, 988901)]