7678925891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{81373}}^1$

素因数の和:81471

約数の個数: 32

約数和(自身を含む): 10171099008

約数和(自身を除く): 2492173117

約数列:

[1, 7, 13, 17, 61, 91, 119, 221, 427, 793, 1037, 1547, 5551, 7259, 13481, 81373, 94367, 569611, 1057849, 1383341, 4963753, 7404943, 9683387, 17983433, 34746271, 64528789, 84383801, 125884031, 451701523, 590686607, 1096989413, 7678925891]

約数ペア:

[(1, 7678925891), (7, 1096989413), (13, 590686607), (17, 451701523), (61, 125884031), (91, 84383801), (119, 64528789), (221, 34746271), (427, 17983433), (793, 9683387), (1037, 7404943), (1547, 4963753), (5551, 1383341), (7259, 1057849), (13481, 569611), (81373, 94367)]