128515525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6599}}^1$

素因数の和:6669

約数の個数: 24

約数和(自身を含む): 171864000

約数和(自身を除く): 43348475

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 3895, 6599, 19475, 32995, 125381, 164975, 270559, 626905, 1352795, 3134525, 5140621, 6763975, 25703105, 128515525]

約数ペア:

[(1, 128515525), (5, 25703105), (19, 6763975), (25, 5140621), (41, 3134525), (95, 1352795), (205, 626905), (475, 270559), (779, 164975), (1025, 125381), (3895, 32995), (6599, 19475)]