128807672

素因数分解:

$2^3\times 7^2\times {\mathrm{328591}}^1$

素因数の和:328611

約数の個数: 24

約数和(自身を含む): 280946160

約数和(自身を除く): 152138488

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 328591, 657182, 1314364, 2300137, 2628728, 4600274, 9200548, 16100959, 18401096, 32201918, 64403836, 128807672]

約数ペア:

[(1, 128807672), (2, 64403836), (4, 32201918), (7, 18401096), (8, 16100959), (14, 9200548), (28, 4600274), (49, 2628728), (56, 2300137), (98, 1314364), (196, 657182), (392, 328591)]