81335854

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{26879}}^1$

素因数の和:26987

約数の個数: 16

約数和(自身を含む): 130636800

約数和(自身を除く): 49300946

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 26879, 53758, 456943, 913886, 2392231, 4784462, 40667927, 81335854]

約数ペア:

[(1, 81335854), (2, 40667927), (17, 4784462), (34, 2392231), (89, 913886), (178, 456943), (1513, 53758), (3026, 26879)]