12787408

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 25763976

約数和(自身を除く): 12976568

約数列:

[1, 2, 4, 8, 16, 41, 82, 101, 164, 193, 202, 328, 386, 404, 656, 772, 808, 1544, 1616, 3088, 4141, 7913, 8282, 15826, 16564, 19493, 31652, 33128, 38986, 63304, 66256, 77972, 126608, 155944, 311888, 799213, 1598426, 3196852, 6393704, 12787408]

約数ペア:

[(1, 12787408), (2, 6393704), (4, 3196852), (8, 1598426), (16, 799213), (41, 311888), (82, 155944), (101, 126608), (164, 77972), (193, 66256), (202, 63304), (328, 38986), (386, 33128), (404, 31652), (656, 19493), (772, 16564), (808, 15826), (1544, 8282), (1616, 7913), (3088, 4141)]