208763918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{106621}}^1$

素因数の和:106723

約数の個数: 16

約数和(自身を含む): 345455280

約数和(自身を除く): 136691362

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 106621, 213242, 1172831, 2345662, 9489269, 18978538, 104381959, 208763918]

約数ペア:

[(1, 208763918), (2, 104381959), (11, 18978538), (22, 9489269), (89, 2345662), (178, 1172831), (979, 213242), (1958, 106621)]