209991304

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{369703}}^1$

素因数の和:369780

約数の個数: 16

約数和(自身を含む): 399280320

約数和(自身を除く): 189289016

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 369703, 739406, 1478812, 2957624, 26248913, 52497826, 104995652, 209991304]

約数ペア:

[(1, 209991304), (2, 104995652), (4, 52497826), (8, 26248913), (71, 2957624), (142, 1478812), (284, 739406), (568, 369703)]