90890965

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{7907}}^1$

素因数の和:7953

約数の個数: 24

約数和(自身を含む): 126211680

約数和(自身を除く): 35320715

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 2299, 7907, 11495, 39535, 86977, 150233, 434885, 751165, 956747, 1652563, 4783735, 8262815, 18178193, 90890965]

約数ペア:

[(1, 90890965), (5, 18178193), (11, 8262815), (19, 4783735), (55, 1652563), (95, 956747), (121, 751165), (209, 434885), (605, 150233), (1045, 86977), (2299, 39535), (7907, 11495)]