128736412

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{42181}}^1$

素因数の和:42301

約数の個数: 24

約数和(自身を含む): 259841120

約数和(自身を除く): 131104708

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 42181, 84362, 168724, 295267, 590534, 1181068, 4597729, 9195458, 18390916, 32184103, 64368206, 128736412]

約数ペア:

[(1, 128736412), (2, 64368206), (4, 32184103), (7, 18390916), (14, 9195458), (28, 4597729), (109, 1181068), (218, 590534), (436, 295267), (763, 168724), (1526, 84362), (3052, 42181)]