221484925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{16811}}^1$

素因数の和:16869

約数の個数: 24

約数和(自身を含む): 300195072

約数和(自身を除く): 78710147

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 2635, 13175, 16811, 84055, 285787, 420275, 521141, 1428935, 2605705, 7144675, 8859397, 13028525, 44296985, 221484925]

約数ペア:

[(1, 221484925), (5, 44296985), (17, 13028525), (25, 8859397), (31, 7144675), (85, 2605705), (155, 1428935), (425, 521141), (527, 420275), (775, 285787), (2635, 84055), (13175, 16811)]