68904272

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{105037}}^1$

素因数の和:105086

約数の個数: 20

約数和(自身を含む): 136759476

約数和(自身を除く): 67855204

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 105037, 210074, 420148, 840296, 1680592, 4306517, 8613034, 17226068, 34452136, 68904272]

約数ペア:

[(1, 68904272), (2, 34452136), (4, 17226068), (8, 8613034), (16, 4306517), (41, 1680592), (82, 840296), (164, 420148), (328, 210074), (656, 105037)]