25171865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1031}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 31950720

約数和(自身を除く): 6778855

約数列:

[1, 5, 19, 95, 257, 1031, 1285, 4883, 5155, 19589, 24415, 97945, 264967, 1324835, 5034373, 25171865]

約数ペア:

[(1, 25171865), (5, 5034373), (19, 1324835), (95, 264967), (257, 97945), (1031, 24415), (1285, 19589), (4883, 5155)]