216980905

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{8171}}^1$

素因数の和:8336

約数の個数: 16

約数和(自身を含む): 268303104

約数和(自身を除く): 51322199

約数列:

[1, 5, 47, 113, 235, 565, 5311, 8171, 26555, 40855, 384037, 923323, 1920185, 4616615, 43396181, 216980905]

約数ペア:

[(1, 216980905), (5, 43396181), (47, 4616615), (113, 1920185), (235, 923323), (565, 384037), (5311, 40855), (8171, 26555)]