12499655

素因数分解:

$5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 17611632

約数和(自身を除く): 5111977

約数列:

[1, 5, 7, 35, 49, 163, 245, 313, 815, 1141, 1565, 2191, 5705, 7987, 10955, 15337, 39935, 51019, 76685, 255095, 357133, 1785665, 2499931, 12499655]

約数ペア:

[(1, 12499655), (5, 2499931), (7, 1785665), (35, 357133), (49, 255095), (163, 76685), (245, 51019), (313, 39935), (815, 15337), (1141, 10955), (1565, 7987), (2191, 5705)]