258408892

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{485731}}^1$

素因数の和:485761

約数の個数: 24

約数和(自身を含む): 544019840

約数和(自身を除く): 285610948

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 485731, 971462, 1942924, 3400117, 6800234, 9228889, 13600468, 18457778, 36915556, 64602223, 129204446, 258408892]

約数ペア:

[(1, 258408892), (2, 129204446), (4, 64602223), (7, 36915556), (14, 18457778), (19, 13600468), (28, 9228889), (38, 6800234), (76, 3400117), (133, 1942924), (266, 971462), (532, 485731)]