319165712

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{40627}}^1$

素因数の和:41126

約数の個数: 20

約数和(自身を含む): 619658256

約数和(自身を除く): 300492544

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 40627, 81254, 162508, 325016, 650032, 19947857, 39895714, 79791428, 159582856, 319165712]

約数ペア:

[(1, 319165712), (2, 159582856), (4, 79791428), (8, 39895714), (16, 19947857), (491, 650032), (982, 325016), (1964, 162508), (3928, 81254), (7856, 40627)]