81537412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{2549}}^1$

素因数の和:3291

約数の個数: 24

約数和(自身を含む): 155937600

約数和(自身を除く): 74400188

約数列:

[1, 2, 4, 11, 22, 44, 727, 1454, 2549, 2908, 5098, 7997, 10196, 15994, 28039, 31988, 56078, 112156, 1853123, 3706246, 7412492, 20384353, 40768706, 81537412]

約数ペア:

[(1, 81537412), (2, 40768706), (4, 20384353), (11, 7412492), (22, 3706246), (44, 1853123), (727, 112156), (1454, 56078), (2549, 31988), (2908, 28039), (5098, 15994), (7997, 10196)]