12128375

素因数分解:

$5^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 17611776

約数和(自身を除く): 5483401

約数列:

[1, 5, 7, 25, 35, 83, 125, 167, 175, 415, 581, 835, 875, 1169, 2075, 2905, 4175, 5845, 10375, 13861, 14525, 20875, 29225, 69305, 72625, 97027, 146125, 346525, 485135, 1732625, 2425675, 12128375]

約数ペア:

[(1, 12128375), (5, 2425675), (7, 1732625), (25, 485135), (35, 346525), (83, 146125), (125, 97027), (167, 72625), (175, 69305), (415, 29225), (581, 20875), (835, 14525), (875, 13861), (1169, 10375), (2075, 5845), (2905, 4175)]