87979885

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{19793}}^1$

素因数の和:19932

約数の個数: 16

約数和(自身を含む): 121614336

約数和(自身を除く): 33634451

約数列:

[1, 5, 7, 35, 127, 635, 889, 4445, 19793, 98965, 138551, 692755, 2513711, 12568555, 17595977, 87979885]

約数ペア:

[(1, 87979885), (5, 17595977), (7, 12568555), (35, 2513711), (127, 692755), (635, 138551), (889, 98965), (4445, 19793)]