81199816

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{191509}}^1$

素因数の和:191568

約数の個数: 16

約数和(自身を含む): 155123100

約数和(自身を除く): 73923284

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 191509, 383018, 766036, 1532072, 10149977, 20299954, 40599908, 81199816]

約数ペア:

[(1, 81199816), (2, 40599908), (4, 20299954), (8, 10149977), (53, 1532072), (106, 766036), (212, 383018), (424, 191509)]