157808

素因数分解:

$2^4\times 7^1\times {\mathrm{1409}}^1$

素因数の和:1424

約数の個数: 20

約数和(自身を含む): 349680

約数和(自身を除く): 191872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1409, 2818, 5636, 9863, 11272, 19726, 22544, 39452, 78904, 157808]

約数ペア:

[(1, 157808), (2, 78904), (4, 39452), (7, 22544), (8, 19726), (14, 11272), (16, 9863), (28, 5636), (56, 2818), (112, 1409)]