25621708

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2222

約数の個数: 36

約数和(自身を含む): 53038272

約数和(自身を除く): 27416564

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2143, 2989, 4286, 5978, 8572, 11956, 15001, 30002, 60004, 105007, 130723, 210014, 261446, 420028, 522892, 915061, 1830122, 3660244, 6405427, 12810854, 25621708]

約数ペア:

[(1, 25621708), (2, 12810854), (4, 6405427), (7, 3660244), (14, 1830122), (28, 915061), (49, 522892), (61, 420028), (98, 261446), (122, 210014), (196, 130723), (244, 105007), (427, 60004), (854, 30002), (1708, 15001), (2143, 11956), (2989, 8572), (4286, 5978)]