7858508

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 16498944

約数和(自身を除く): 8640436

約数列:

[1, 2, 4, 7, 14, 28, 43, 61, 86, 107, 122, 172, 214, 244, 301, 427, 428, 602, 749, 854, 1204, 1498, 1708, 2623, 2996, 4601, 5246, 6527, 9202, 10492, 13054, 18361, 18404, 26108, 32207, 36722, 45689, 64414, 73444, 91378, 128828, 182756, 280661, 561322, 1122644, 1964627, 3929254, 7858508]

約数ペア:

[(1, 7858508), (2, 3929254), (4, 1964627), (7, 1122644), (14, 561322), (28, 280661), (43, 182756), (61, 128828), (86, 91378), (107, 73444), (122, 64414), (172, 45689), (214, 36722), (244, 32207), (301, 26108), (427, 18404), (428, 18361), (602, 13054), (749, 10492), (854, 9202), (1204, 6527), (1498, 5246), (1708, 4601), (2623, 2996)]