1891165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1212

約数の個数: 16

約数和(自身を含む): 2531520

約数和(自身を除く): 640355

約数列:

[1, 5, 17, 19, 85, 95, 323, 1171, 1615, 5855, 19907, 22249, 99535, 111245, 378233, 1891165]

約数ペア:

[(1, 1891165), (5, 378233), (17, 111245), (19, 99535), (85, 22249), (95, 19907), (323, 5855), (1171, 1615)]