25216828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^2$

素因数の和:183

約数の個数: 54

約数和(自身を含む): 55369944

約数和(自身を除く): 30153116

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 146, 169, 182, 292, 338, 364, 511, 676, 949, 1022, 1183, 1898, 2044, 2366, 3796, 4732, 5329, 6643, 10658, 12337, 13286, 21316, 24674, 26572, 37303, 49348, 69277, 74606, 86359, 138554, 149212, 172718, 277108, 345436, 484939, 900601, 969878, 1801202, 1939756, 3602404, 6304207, 12608414, 25216828]

約数ペア:

[(1, 25216828), (2, 12608414), (4, 6304207), (7, 3602404), (13, 1939756), (14, 1801202), (26, 969878), (28, 900601), (52, 484939), (73, 345436), (91, 277108), (146, 172718), (169, 149212), (182, 138554), (292, 86359), (338, 74606), (364, 69277), (511, 49348), (676, 37303), (949, 26572), (1022, 24674), (1183, 21316), (1898, 13286), (2044, 12337), (2366, 10658), (3796, 6643), (4732, 5329)]