138507865

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{3863}}^1$

素因数の和:4040

約数の個数: 16

約数和(自身を含む): 170263296

約数和(自身を除く): 31755431

約数列:

[1, 5, 71, 101, 355, 505, 3863, 7171, 19315, 35855, 274273, 390163, 1371365, 1950815, 27701573, 138507865]

約数ペア:

[(1, 138507865), (5, 27701573), (71, 1950815), (101, 1371365), (355, 390163), (505, 274273), (3863, 35855), (7171, 19315)]