81967354

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{254557}}^1$

素因数の和:254589

約数の個数: 16

約数和(自身を含む): 146625408

約数和(自身を除く): 64658054

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 254557, 509114, 1781899, 3563798, 5854811, 11709622, 40983677, 81967354]

約数ペア:

[(1, 81967354), (2, 40983677), (7, 11709622), (14, 5854811), (23, 3563798), (46, 1781899), (161, 509114), (322, 254557)]