31425815

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 38438400

約数和(自身を除く): 7012585

約数列:

[1, 5, 103, 139, 439, 515, 695, 2195, 14317, 45217, 61021, 71585, 226085, 305105, 6285163, 31425815]

約数ペア:

[(1, 31425815), (5, 6285163), (103, 305105), (139, 226085), (439, 71585), (515, 61021), (695, 45217), (2195, 14317)]