90991778

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1\times {\mathrm{2339}}^1$

素因数の和:2761

約数の個数: 16

約数和(自身を含む): 139501440

約数和(自身を除く): 48509662

約数列:

[1, 2, 53, 106, 367, 734, 2339, 4678, 19451, 38902, 123967, 247934, 858413, 1716826, 45495889, 90991778]

約数ペア:

[(1, 90991778), (2, 45495889), (53, 1716826), (106, 858413), (367, 247934), (734, 123967), (2339, 38902), (4678, 19451)]