217881086

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{68473}}^1$

素因数の和:68555

約数の個数: 16

約数和(自身を含む): 343465584

約数和(自身を除く): 125584498

約数列:

[1, 2, 37, 43, 74, 86, 1591, 3182, 68473, 136946, 2533501, 2944339, 5067002, 5888678, 108940543, 217881086]

約数ペア:

[(1, 217881086), (2, 108940543), (37, 5888678), (43, 5067002), (74, 2944339), (86, 2533501), (1591, 136946), (3182, 68473)]