66528272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{218843}}^1$

素因数の和:218870

約数の個数: 20

約数和(自身を含む): 135683280

約数和(自身を除く): 69155008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 218843, 437686, 875372, 1750744, 3501488, 4158017, 8316034, 16632068, 33264136, 66528272]

約数ペア:

[(1, 66528272), (2, 33264136), (4, 16632068), (8, 8316034), (16, 4158017), (19, 3501488), (38, 1750744), (76, 875372), (152, 437686), (304, 218843)]