12499505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{479}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 15966720

約数和(自身を除く): 3467215

約数列:

[1, 5, 17, 85, 307, 479, 1535, 2395, 5219, 8143, 26095, 40715, 147053, 735265, 2499901, 12499505]

約数ペア:

[(1, 12499505), (5, 2499901), (17, 735265), (85, 147053), (307, 40715), (479, 26095), (1535, 8143), (2395, 5219)]