2154996982

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{67559}}^1$

素因数の和:67991

約数の個数: 16

約数和(自身を含む): 3319898400

約数和(自身を除く): 1164901418

約数列:

[1, 2, 41, 82, 389, 778, 15949, 31898, 67559, 135118, 2769919, 5539838, 26280451, 52560902, 1077498491, 2154996982]

約数ペア:

[(1, 2154996982), (2, 1077498491), (41, 52560902), (82, 26280451), (389, 5539838), (778, 2769919), (15949, 135118), (31898, 67559)]