17679805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 25320960

約数和(自身を除く): 7641155

約数列:

[1, 5, 11, 13, 55, 65, 79, 143, 313, 395, 715, 869, 1027, 1565, 3443, 4069, 4345, 5135, 11297, 17215, 20345, 24727, 44759, 56485, 123635, 223795, 271997, 321451, 1359985, 1607255, 3535961, 17679805]

約数ペア:

[(1, 17679805), (5, 3535961), (11, 1607255), (13, 1359985), (55, 321451), (65, 271997), (79, 223795), (143, 123635), (313, 56485), (395, 44759), (715, 24727), (869, 20345), (1027, 17215), (1565, 11297), (3443, 5135), (4069, 4345)]