2807725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 3839040

約数和(自身を除く): 1031315

約数列:

[1, 5, 19, 23, 25, 95, 115, 257, 437, 475, 575, 1285, 2185, 4883, 5911, 6425, 10925, 24415, 29555, 112309, 122075, 147775, 561545, 2807725]

約数ペア:

[(1, 2807725), (5, 561545), (19, 147775), (23, 122075), (25, 112309), (95, 29555), (115, 24415), (257, 10925), (437, 6425), (475, 5911), (575, 4883), (1285, 2185)]