25864371

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 16513965

約数列:

[1, 3, 9, 13, 39, 43, 53, 97, 117, 129, 159, 291, 387, 477, 559, 689, 873, 1261, 1677, 2067, 2279, 3783, 4171, 5031, 5141, 6201, 6837, 11349, 12513, 15423, 20511, 29627, 37539, 46269, 54223, 66833, 88881, 162669, 200499, 221063, 266643, 488007, 601497, 663189, 1989567, 2873819, 8621457, 25864371]

約数ペア:

[(1, 25864371), (3, 8621457), (9, 2873819), (13, 1989567), (39, 663189), (43, 601497), (53, 488007), (97, 266643), (117, 221063), (129, 200499), (159, 162669), (291, 88881), (387, 66833), (477, 54223), (559, 46269), (689, 37539), (873, 29627), (1261, 20511), (1677, 15423), (2067, 12513), (2279, 11349), (3783, 6837), (4171, 6201), (5031, 5141)]