398739913

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{164023}}^1$

素因数の和:164064

約数の個数: 16

約数和(自身を含む): 496008576

約数和(自身を除く): 97268663

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 164023, 1804253, 2132299, 2788391, 23455289, 30672301, 36249083, 398739913]

約数ペア:

[(1, 398739913), (11, 36249083), (13, 30672301), (17, 23455289), (143, 2788391), (187, 2132299), (221, 1804253), (2431, 164023)]