31320478

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{72167}}^1$

素因数の和:72207

約数の個数: 16

約数和(自身を含む): 55425024

約数和(自身を除く): 24104546

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 72167, 144334, 505169, 1010338, 2237177, 4474354, 15660239, 31320478]

約数ペア:

[(1, 31320478), (2, 15660239), (7, 4474354), (14, 2237177), (31, 1010338), (62, 505169), (217, 144334), (434, 72167)]