90896195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 127334592

約数和(自身を除く): 36438397

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 1913, 2795, 3655, 9503, 9565, 24869, 32521, 47515, 82259, 124345, 162605, 411295, 422773, 1069367, 1398403, 2113865, 5346835, 6992015, 18179239, 90896195]

約数ペア:

[(1, 90896195), (5, 18179239), (13, 6992015), (17, 5346835), (43, 2113865), (65, 1398403), (85, 1069367), (215, 422773), (221, 411295), (559, 162605), (731, 124345), (1105, 82259), (1913, 47515), (2795, 32521), (3655, 24869), (9503, 9565)]