9980515

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 12472416

約数和(自身を除く): 2491901

約数列:

[1, 5, 43, 61, 215, 305, 761, 2623, 3805, 13115, 32723, 46421, 163615, 232105, 1996103, 9980515]

約数ペア:

[(1, 9980515), (5, 1996103), (43, 232105), (61, 163615), (215, 46421), (305, 32723), (761, 13115), (2623, 3805)]