31499902

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{16187}}^1$

素因数の和:16335

約数の個数: 16

約数和(自身を含む): 54391680

約数和(自身を除く): 22891778

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 16187, 32374, 113309, 226618, 2249993, 4499986, 15749951, 31499902]

約数ペア:

[(1, 31499902), (2, 15749951), (7, 4499986), (14, 2249993), (139, 226618), (278, 113309), (973, 32374), (1946, 16187)]