25519384

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 53960760

約数和(自身を除く): 28441376

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 121, 164, 242, 328, 451, 484, 643, 902, 968, 1286, 1804, 2572, 3608, 4961, 5144, 7073, 9922, 14146, 19844, 26363, 28292, 39688, 52726, 56584, 77803, 105452, 155606, 210904, 289993, 311212, 579986, 622424, 1159972, 2319944, 3189923, 6379846, 12759692, 25519384]

約数ペア:

[(1, 25519384), (2, 12759692), (4, 6379846), (8, 3189923), (11, 2319944), (22, 1159972), (41, 622424), (44, 579986), (82, 311212), (88, 289993), (121, 210904), (164, 155606), (242, 105452), (328, 77803), (451, 56584), (484, 52726), (643, 39688), (902, 28292), (968, 26363), (1286, 19844), (1804, 14146), (2572, 9922), (3608, 7073), (4961, 5144)]