2159784784

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1901219}}^1$

素因数の和:1901298

約数の個数: 20

約数和(自身を含む): 4243523040

約数和(自身を除く): 2083738256

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1901219, 3802438, 7604876, 15209752, 30419504, 134986549, 269973098, 539946196, 1079892392, 2159784784]

約数ペア:

[(1, 2159784784), (2, 1079892392), (4, 539946196), (8, 269973098), (16, 134986549), (71, 30419504), (142, 15209752), (284, 7604876), (568, 3802438), (1136, 1901219)]