28220062

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20479}}^1$

素因数の和:20547

約数の個数: 16

約数和(自身を含む): 46448640

約数和(自身を除く): 18228578

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 20479, 40958, 266227, 532454, 1085387, 2170774, 14110031, 28220062]

約数ペア:

[(1, 28220062), (2, 14110031), (13, 2170774), (26, 1085387), (53, 532454), (106, 266227), (689, 40958), (1378, 20479)]