258672323

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23887}}^1$

素因数の和:23931

約数の個数: 24

約数和(自身を含む): 343127232

約数和(自身を除く): 84454909

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 10829, 23887, 167209, 310531, 406079, 1170463, 2173717, 2842553, 5279027, 15216019, 19897871, 36953189, 258672323]

約数ペア:

[(1, 258672323), (7, 36953189), (13, 19897871), (17, 15216019), (49, 5279027), (91, 2842553), (119, 2173717), (221, 1170463), (637, 406079), (833, 310531), (1547, 167209), (10829, 23887)]