25549972

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2216

約数の個数: 36

約数和(自身を含む): 52889844

約数和(自身を除く): 27339872

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2137, 2989, 4274, 5978, 8548, 11956, 14959, 29918, 59836, 104713, 130357, 209426, 260714, 418852, 521428, 912499, 1824998, 3649996, 6387493, 12774986, 25549972]

約数ペア:

[(1, 25549972), (2, 12774986), (4, 6387493), (7, 3649996), (14, 1824998), (28, 912499), (49, 521428), (61, 418852), (98, 260714), (122, 209426), (196, 130357), (244, 104713), (427, 59836), (854, 29918), (1708, 14959), (2137, 11956), (2989, 8548), (4274, 5978)]