918447719

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{646339}}^1$

素因数の和:646382

約数の個数: 12

約数和(自身を含む): 1105241400

約数和(自身を除く): 186793681

約数列:

[1, 7, 29, 49, 203, 1421, 646339, 4524373, 18743831, 31670611, 131206817, 918447719]

約数ペア:

[(1, 918447719), (7, 131206817), (29, 31670611), (49, 18743831), (203, 4524373), (1421, 646339)]