81297238

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{17681}}^1$

素因数の和:17724

約数の個数: 24

約数和(自身を含む): 141102360

約数和(自身を除く): 59805122

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4598, 17681, 35362, 194491, 335939, 388982, 671878, 2139401, 3695329, 4278802, 7390658, 40648619, 81297238]

約数ペア:

[(1, 81297238), (2, 40648619), (11, 7390658), (19, 4278802), (22, 3695329), (38, 2139401), (121, 671878), (209, 388982), (242, 335939), (418, 194491), (2299, 35362), (4598, 17681)]