28439005

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{15331}}^1$

素因数の和:15396

約数の個数: 16

約数和(自身を含む): 39740544

約数和(自身を除く): 11301539

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 15331, 76655, 107317, 536585, 812543, 4062715, 5687801, 28439005]

約数ペア:

[(1, 28439005), (5, 5687801), (7, 4062715), (35, 812543), (53, 536585), (265, 107317), (371, 76655), (1855, 15331)]