128631748

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5623}}^1$

素因数の和:5696

約数の個数: 48

約数和(自身を含む): 277150720

約数和(自身を除く): 148518972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 817, 1204, 1634, 3268, 5623, 5719, 11246, 11438, 22492, 22876, 39361, 78722, 106837, 157444, 213674, 241789, 427348, 483578, 747859, 967156, 1495718, 1692523, 2991436, 3385046, 4593991, 6770092, 9187982, 18375964, 32157937, 64315874, 128631748]

約数ペア:

[(1, 128631748), (2, 64315874), (4, 32157937), (7, 18375964), (14, 9187982), (19, 6770092), (28, 4593991), (38, 3385046), (43, 2991436), (76, 1692523), (86, 1495718), (133, 967156), (172, 747859), (266, 483578), (301, 427348), (532, 241789), (602, 213674), (817, 157444), (1204, 106837), (1634, 78722), (3268, 39361), (5623, 22876), (5719, 22492), (11246, 11438)]