1891127

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 2323200

約数和(自身を除く): 432073

約数列:

[1, 7, 19, 59, 133, 241, 413, 1121, 1687, 4579, 7847, 14219, 32053, 99533, 270161, 1891127]

約数ペア:

[(1, 1891127), (7, 270161), (19, 99533), (59, 32053), (133, 14219), (241, 7847), (413, 4579), (1121, 1687)]