7861225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 10546200

約数和(自身を除く): 2684975

約数列:

[1, 5, 17, 25, 53, 85, 265, 349, 425, 901, 1325, 1745, 4505, 5933, 8725, 18497, 22525, 29665, 92485, 148325, 314449, 462425, 1572245, 7861225]

約数ペア:

[(1, 7861225), (5, 1572245), (17, 462425), (25, 314449), (53, 148325), (85, 92485), (265, 29665), (349, 22525), (425, 18497), (901, 8725), (1325, 5933), (1745, 4505)]