25646751

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 42806400

約数和(自身を除く): 17159649

約数列:

[1, 3, 9, 13, 19, 39, 57, 83, 117, 139, 171, 247, 249, 417, 741, 747, 1079, 1251, 1577, 1807, 2223, 2641, 3237, 4731, 5421, 7923, 9711, 11537, 14193, 16263, 20501, 23769, 34333, 34611, 61503, 102999, 103833, 149981, 184509, 219203, 308997, 449943, 657609, 1349829, 1972827, 2849639, 8548917, 25646751]

約数ペア:

[(1, 25646751), (3, 8548917), (9, 2849639), (13, 1972827), (19, 1349829), (39, 657609), (57, 449943), (83, 308997), (117, 219203), (139, 184509), (171, 149981), (247, 103833), (249, 102999), (417, 61503), (741, 34611), (747, 34333), (1079, 23769), (1251, 20501), (1577, 16263), (1807, 14193), (2223, 11537), (2641, 9711), (3237, 7923), (4731, 5421)]