1388895053

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{128257}}^1$

素因数の和:128301

約数の個数: 24

約数和(自身を含む): 1842297912

約数和(自身を除く): 453402859

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 10829, 128257, 897799, 1667341, 2180369, 6284593, 11671387, 15262583, 28344797, 81699709, 106838081, 198413579, 1388895053]

約数ペア:

[(1, 1388895053), (7, 198413579), (13, 106838081), (17, 81699709), (49, 28344797), (91, 15262583), (119, 11671387), (221, 6284593), (637, 2180369), (833, 1667341), (1547, 897799), (10829, 128257)]