258448

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:594

約数の個数: 20

約数和(自身を含む): 518940

約数和(自身を除く): 260492

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 557, 1114, 2228, 4456, 8912, 16153, 32306, 64612, 129224, 258448]

約数ペア:

[(1, 258448), (2, 129224), (4, 64612), (8, 32306), (16, 16153), (29, 8912), (58, 4456), (116, 2228), (232, 1114), (464, 557)]