218570825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{27407}}^1$

素因数の和:27457

約数の個数: 24

約数和(自身を含む): 305873280

約数和(自身を除く): 87302455

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 7975, 27407, 137035, 301477, 685175, 794803, 1507385, 3974015, 7536925, 8742833, 19870075, 43714165, 218570825]

約数ペア:

[(1, 218570825), (5, 43714165), (11, 19870075), (25, 8742833), (29, 7536925), (55, 3974015), (145, 1507385), (275, 794803), (319, 685175), (725, 301477), (1595, 137035), (7975, 27407)]