1928225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 2734200

約数和(自身を除く): 805975

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 349, 425, 1105, 1745, 4537, 5525, 5933, 8725, 22685, 29665, 77129, 113425, 148325, 385645, 1928225]

約数ペア:

[(1, 1928225), (5, 385645), (13, 148325), (17, 113425), (25, 77129), (65, 29665), (85, 22685), (221, 8725), (325, 5933), (349, 5525), (425, 4537), (1105, 1745)]