25453939

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 7308941

約数列:

[1, 7, 19, 23, 53, 133, 157, 161, 371, 437, 1007, 1099, 1219, 2983, 3059, 3611, 7049, 8321, 8533, 20881, 23161, 25277, 58247, 68609, 158099, 162127, 191383, 480263, 1106693, 1339681, 3636277, 25453939]

約数ペア:

[(1, 25453939), (7, 3636277), (19, 1339681), (23, 1106693), (53, 480263), (133, 191383), (157, 162127), (161, 158099), (371, 68609), (437, 58247), (1007, 25277), (1099, 23161), (1219, 20881), (2983, 8533), (3059, 8321), (3611, 7049)]