216899269

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 241840512

約数和(自身を除く): 24941243

約数列:

[1, 19, 23, 151, 173, 361, 437, 2869, 3287, 3473, 3979, 8303, 26123, 54511, 62453, 65987, 75601, 496337, 600829, 1253753, 1436419, 9430403, 11415751, 216899269]

約数ペア:

[(1, 216899269), (19, 11415751), (23, 9430403), (151, 1436419), (173, 1253753), (361, 600829), (437, 496337), (2869, 75601), (3287, 65987), (3473, 62453), (3979, 54511), (8303, 26123)]