12509905

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 15422400

約数和(自身を除く): 2912495

約数列:

[1, 5, 67, 107, 335, 349, 535, 1745, 7169, 23383, 35845, 37343, 116915, 186715, 2501981, 12509905]

約数ペア:

[(1, 12509905), (5, 2501981), (67, 186715), (107, 116915), (335, 37343), (349, 35845), (535, 23383), (1745, 7169)]