51408721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1423}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 63476224

約数和(自身を除く): 12067503

約数列:

[1, 7, 13, 91, 397, 1423, 2779, 5161, 9961, 18499, 36127, 129493, 564931, 3954517, 7344103, 51408721]

約数ペア:

[(1, 51408721), (7, 7344103), (13, 3954517), (91, 564931), (397, 129493), (1423, 36127), (2779, 18499), (5161, 9961)]