218146225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{25589}}^1$

素因数の和:25641

約数の個数: 24

約数和(自身を含む): 304623360

約数和(自身を除く): 86477135

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 8525, 25589, 127945, 281479, 639725, 793259, 1407395, 3966295, 7036975, 8725849, 19831475, 43629245, 218146225]

約数ペア:

[(1, 218146225), (5, 43629245), (11, 19831475), (25, 8725849), (31, 7036975), (55, 3966295), (155, 1407395), (275, 793259), (341, 639725), (775, 281479), (1705, 127945), (8525, 25589)]