81688628

素因数分解:

$2^2\times 7^1\times {\mathrm{727}}^1\times {\mathrm{4013}}^1$

素因数の和:4751

約数の個数: 24

約数和(自身を含む): 163642752

約数和(自身を除く): 81954124

約数列:

[1, 2, 4, 7, 14, 28, 727, 1454, 2908, 4013, 5089, 8026, 10178, 16052, 20356, 28091, 56182, 112364, 2917451, 5834902, 11669804, 20422157, 40844314, 81688628]

約数ペア:

[(1, 81688628), (2, 40844314), (4, 20422157), (7, 11669804), (14, 5834902), (28, 2917451), (727, 112364), (1454, 56182), (2908, 28091), (4013, 20356), (5089, 16052), (8026, 10178)]