891036293

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{142543}}^1$

素因数の和:142616

約数の個数: 16

約数和(自身を含む): 1094737920

約数和(自身を除く): 203701627

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 142543, 997801, 2708317, 6699521, 18958219, 46896647, 127290899, 891036293]

約数ペア:

[(1, 891036293), (7, 127290899), (19, 46896647), (47, 18958219), (133, 6699521), (329, 2708317), (893, 997801), (6251, 142543)]