12943819

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 15240960

約数和(自身を除く): 2297141

約数列:

[1, 7, 53, 139, 251, 371, 973, 1757, 7367, 13303, 34889, 51569, 93121, 244223, 1849117, 12943819]

約数ペア:

[(1, 12943819), (7, 1849117), (53, 244223), (139, 93121), (251, 51569), (371, 34889), (973, 13303), (1757, 7367)]