4221305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 5971968

約数和(自身を除く): 1750663

約数列:

[1, 5, 11, 23, 47, 55, 71, 115, 235, 253, 355, 517, 781, 1081, 1265, 1633, 2585, 3337, 3905, 5405, 8165, 11891, 16685, 17963, 36707, 59455, 76751, 89815, 183535, 383755, 844261, 4221305]

約数ペア:

[(1, 4221305), (5, 844261), (11, 383755), (23, 183535), (47, 89815), (55, 76751), (71, 59455), (115, 36707), (235, 17963), (253, 16685), (355, 11891), (517, 8165), (781, 5405), (1081, 3905), (1265, 3337), (1633, 2585)]