6438725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 8436960

約数和(自身を除く): 1998235

約数列:

[1, 5, 25, 29, 83, 107, 145, 415, 535, 725, 2075, 2407, 2675, 3103, 8881, 12035, 15515, 44405, 60175, 77575, 222025, 257549, 1287745, 6438725]

約数ペア:

[(1, 6438725), (5, 1287745), (25, 257549), (29, 222025), (83, 77575), (107, 60175), (145, 44405), (415, 15515), (535, 12035), (725, 8881), (2075, 3103), (2407, 2675)]