661925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 937440

約数和(自身を除く): 275515

約数列:

[1, 5, 11, 25, 29, 55, 83, 145, 275, 319, 415, 725, 913, 1595, 2075, 2407, 4565, 7975, 12035, 22825, 26477, 60175, 132385, 661925]

約数ペア:

[(1, 661925), (5, 132385), (11, 60175), (25, 26477), (29, 22825), (55, 12035), (83, 7975), (145, 4565), (275, 2407), (319, 2075), (415, 1595), (725, 913)]