31212725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2857}}^1$

素因数の和:2909

約数の個数: 24

約数和(自身を含む): 42527040

約数和(自身を除く): 11314315

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 2185, 2857, 10925, 14285, 54283, 65711, 71425, 271415, 328555, 1248509, 1357075, 1642775, 6242545, 31212725]

約数ペア:

[(1, 31212725), (5, 6242545), (19, 1642775), (23, 1357075), (25, 1248509), (95, 328555), (115, 271415), (437, 71425), (475, 65711), (575, 54283), (2185, 14285), (2857, 10925)]