207858889

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{31489}}^1$

素因数の和:31560

約数の個数: 16

約数和(自身を含む): 253935360

約数和(自身を除く): 46076471

約数列:

[1, 7, 23, 41, 161, 287, 943, 6601, 31489, 220423, 724247, 1291049, 5069729, 9037343, 29694127, 207858889]

約数ペア:

[(1, 207858889), (7, 29694127), (23, 9037343), (41, 5069729), (161, 1291049), (287, 724247), (943, 220423), (6601, 31489)]