2989930321

素因数分解:

$7^1\times {\mathrm{619}}^1\times {\mathrm{690037}}^1$

素因数の和:690663

約数の個数: 8

約数和(自身を含む): 3422588480

約数和(自身を除く): 432658159

約数列:

[1, 7, 619, 4333, 690037, 4830259, 427132903, 2989930321]

約数ペア:

[(1, 2989930321), (7, 427132903), (619, 4830259), (4333, 690037)]