25780534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 45799488

約数和(自身を除く): 20018954

約数列:

[1, 2, 13, 17, 26, 34, 47, 73, 94, 146, 221, 289, 442, 578, 611, 799, 949, 1222, 1241, 1598, 1898, 2482, 3431, 3757, 6862, 7514, 10387, 13583, 16133, 20774, 21097, 27166, 32266, 42194, 44603, 58327, 89206, 116654, 176579, 274261, 353158, 548522, 758251, 991559, 1516502, 1983118, 12890267, 25780534]

約数ペア:

[(1, 25780534), (2, 12890267), (13, 1983118), (17, 1516502), (26, 991559), (34, 758251), (47, 548522), (73, 353158), (94, 274261), (146, 176579), (221, 116654), (289, 89206), (442, 58327), (578, 44603), (611, 42194), (799, 32266), (949, 27166), (1222, 21097), (1241, 20774), (1598, 16133), (1898, 13583), (2482, 10387), (3431, 7514), (3757, 6862)]