28626725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 37888200

約数和(自身を除く): 9261475

約数列:

[1, 5, 17, 25, 85, 193, 349, 425, 965, 1745, 3281, 4825, 5933, 8725, 16405, 29665, 67357, 82025, 148325, 336785, 1145069, 1683925, 5725345, 28626725]

約数ペア:

[(1, 28626725), (5, 5725345), (17, 1683925), (25, 1145069), (85, 336785), (193, 148325), (349, 82025), (425, 67357), (965, 29665), (1745, 16405), (3281, 8725), (4825, 5933)]