1279384784

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1126219}}^1$

素因数の和:1126298

約数の個数: 20

約数和(自身を含む): 2513723040

約数和(自身を除く): 1234338256

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1126219, 2252438, 4504876, 9009752, 18019504, 79961549, 159923098, 319846196, 639692392, 1279384784]

約数ペア:

[(1, 1279384784), (2, 639692392), (4, 319846196), (8, 159923098), (16, 79961549), (71, 18019504), (142, 9009752), (284, 4504876), (568, 2252438), (1136, 1126219)]