25787286

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2105

約数の個数: 48

約数和(自身を含む): 64506624

約数和(自身を除く): 38719338

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 103, 126, 206, 309, 618, 721, 927, 1442, 1854, 1987, 2163, 3974, 4326, 5961, 6489, 11922, 12978, 13909, 17883, 27818, 35766, 41727, 83454, 125181, 204661, 250362, 409322, 613983, 1227966, 1432627, 1841949, 2865254, 3683898, 4297881, 8595762, 12893643, 25787286]

約数ペア:

[(1, 25787286), (2, 12893643), (3, 8595762), (6, 4297881), (7, 3683898), (9, 2865254), (14, 1841949), (18, 1432627), (21, 1227966), (42, 613983), (63, 409322), (103, 250362), (126, 204661), (206, 125181), (309, 83454), (618, 41727), (721, 35766), (927, 27818), (1442, 17883), (1854, 13909), (1987, 12978), (2163, 11922), (3974, 6489), (4326, 5961)]