157021648

素因数分解:

$2^4\times 7^1\times {\mathrm{1401979}}^1$

素因数の和:1401994

約数の個数: 20

約数和(自身を含む): 347691040

約数和(自身を除く): 190669392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1401979, 2803958, 5607916, 9813853, 11215832, 19627706, 22431664, 39255412, 78510824, 157021648]

約数ペア:

[(1, 157021648), (2, 78510824), (4, 39255412), (7, 22431664), (8, 19627706), (14, 11215832), (16, 9813853), (28, 5607916), (56, 2803958), (112, 1401979)]