16641989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4253}}^1$

素因数の和:4316

約数の個数: 16

約数和(自身を含む): 20963712

約数和(自身を除く): 4321723

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 4253, 29771, 55289, 182879, 387023, 1280153, 2377427, 16641989]

約数ペア:

[(1, 16641989), (7, 2377427), (13, 1280153), (43, 387023), (91, 182879), (301, 55289), (559, 29771), (3913, 4253)]