820948466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1661839}}^1$

素因数の和:1661873

約数の個数: 16

約数和(自身を含む): 1395945600

約数和(自身を除く): 574997134

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 1661839, 3323678, 21603907, 31574941, 43207814, 63149882, 410474233, 820948466]

約数ペア:

[(1, 820948466), (2, 410474233), (13, 63149882), (19, 43207814), (26, 31574941), (38, 21603907), (247, 3323678), (494, 1661839)]