217871218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{16141}}^1$

素因数の和:16557

約数の個数: 16

約数和(自身を含む): 346923864

約数和(自身を除く): 129052646

約数列:

[1, 2, 17, 34, 397, 794, 6749, 13498, 16141, 32282, 274397, 548794, 6407977, 12815954, 108935609, 217871218]

約数ペア:

[(1, 217871218), (2, 108935609), (17, 12815954), (34, 6407977), (397, 548794), (794, 274397), (6749, 32282), (13498, 16141)]