128389015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{25601}}^1$

素因数の和:25682

約数の個数: 16

約数和(自身を含む): 165900960

約数和(自身を除く): 37511945

約数列:

[1, 5, 17, 59, 85, 295, 1003, 5015, 25601, 128005, 435217, 1510459, 2176085, 7552295, 25677803, 128389015]

約数ペア:

[(1, 128389015), (5, 25677803), (17, 7552295), (59, 2176085), (85, 1510459), (295, 435217), (1003, 128005), (5015, 25601)]