13243895

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 18966528

約数和(自身を除く): 5722633

約数列:

[1, 5, 7, 35, 47, 83, 97, 235, 329, 415, 485, 581, 679, 1645, 2905, 3395, 3901, 4559, 8051, 19505, 22795, 27307, 31913, 40255, 56357, 136535, 159565, 281785, 378397, 1891985, 2648779, 13243895]

約数ペア:

[(1, 13243895), (5, 2648779), (7, 1891985), (35, 378397), (47, 281785), (83, 159565), (97, 136535), (235, 56357), (329, 40255), (415, 31913), (485, 27307), (581, 22795), (679, 19505), (1645, 8051), (2905, 4559), (3395, 3901)]