2131912315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1058021}}^1$

素因数の和:1058070

約数の個数: 16

約数和(自身を含む): 2843963136

約数和(自身を除く): 712050821

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 1058021, 5290105, 13754273, 32798651, 68771365, 163993255, 426382463, 2131912315]

約数ペア:

[(1, 2131912315), (5, 426382463), (13, 163993255), (31, 68771365), (65, 32798651), (155, 13754273), (403, 5290105), (2015, 1058021)]