253121008

素因数分解:

$2^4\times 7^1\times {\mathrm{2260009}}^1$

素因数の和:2260024

約数の個数: 20

約数和(自身を含む): 560482480

約数和(自身を除く): 307361472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2260009, 4520018, 9040036, 15820063, 18080072, 31640126, 36160144, 63280252, 126560504, 253121008]

約数ペア:

[(1, 253121008), (2, 126560504), (4, 63280252), (7, 36160144), (8, 31640126), (14, 18080072), (16, 15820063), (28, 9040036), (56, 4520018), (112, 2260009)]