31137239

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5227}}^1$

素因数の和:5294

約数の個数: 16

約数和(自身を含む): 38143488

約数和(自身を除く): 7006249

約数列:

[1, 7, 23, 37, 161, 259, 851, 5227, 5957, 36589, 120221, 193399, 841547, 1353793, 4448177, 31137239]

約数ペア:

[(1, 31137239), (7, 4448177), (23, 1353793), (37, 841547), (161, 193399), (259, 120221), (851, 36589), (5227, 5957)]