128496412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{78929}}^1$

素因数の和:78981

約数の個数: 24

約数和(自身を含む): 251944560

約数和(自身を除く): 123448148

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 78929, 157858, 315716, 868219, 1736438, 2920373, 3472876, 5840746, 11681492, 32124103, 64248206, 128496412]

約数ペア:

[(1, 128496412), (2, 64248206), (4, 32124103), (11, 11681492), (22, 5840746), (37, 3472876), (44, 2920373), (74, 1736438), (148, 868219), (407, 315716), (814, 157858), (1628, 78929)]