2491494590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19165343}}^1$

素因数の和:19165363

約数の個数: 16

約数和(自身を含む): 4829666688

約数和(自身を除く): 2338172098

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 19165343, 38330686, 95826715, 191653430, 249149459, 498298918, 1245747295, 2491494590]

約数ペア:

[(1, 2491494590), (2, 1245747295), (5, 498298918), (10, 249149459), (13, 191653430), (26, 95826715), (65, 38330686), (130, 19165343)]