157891748

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{661}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 333648000

約数和(自身を除く): 175756252

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 449, 532, 661, 898, 1322, 1796, 2644, 3143, 4627, 6286, 8531, 9254, 12559, 12572, 17062, 18508, 25118, 34124, 50236, 59717, 87913, 119434, 175826, 238868, 296789, 351652, 593578, 1187156, 2077523, 4155046, 5638991, 8310092, 11277982, 22555964, 39472937, 78945874, 157891748]

約数ペア:

[(1, 157891748), (2, 78945874), (4, 39472937), (7, 22555964), (14, 11277982), (19, 8310092), (28, 5638991), (38, 4155046), (76, 2077523), (133, 1187156), (266, 593578), (449, 351652), (532, 296789), (661, 238868), (898, 175826), (1322, 119434), (1796, 87913), (2644, 59717), (3143, 50236), (4627, 34124), (6286, 25118), (8531, 18508), (9254, 17062), (12559, 12572)]