31872590

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{21391}}^1$

素因数の和:21547

約数の個数: 16

約数和(自身を含む): 57758400

約数和(自身を除く): 25885810

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 21391, 42782, 106955, 213910, 3187259, 6374518, 15936295, 31872590]

約数ペア:

[(1, 31872590), (2, 15936295), (5, 6374518), (10, 3187259), (149, 213910), (298, 106955), (745, 42782), (1490, 21391)]