13200925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 17577000

約数和(自身を除く): 4376075

約数列:

[1, 5, 17, 25, 85, 89, 349, 425, 445, 1513, 1745, 2225, 5933, 7565, 8725, 29665, 31061, 37825, 148325, 155305, 528037, 776525, 2640185, 13200925]

約数ペア:

[(1, 13200925), (5, 2640185), (17, 776525), (25, 528037), (85, 155305), (89, 148325), (349, 37825), (425, 31061), (445, 29665), (1513, 8725), (1745, 7565), (2225, 5933)]