157761728

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:781

約数の個数: 56

約数和(自身を含む): 326160384

約数和(自身を除く): 168398656

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 131, 248, 262, 496, 524, 607, 992, 1048, 1214, 1984, 2096, 2428, 4061, 4192, 4856, 8122, 8384, 9712, 16244, 18817, 19424, 32488, 37634, 38848, 64976, 75268, 79517, 129952, 150536, 159034, 259904, 301072, 318068, 602144, 636136, 1204288, 1272272, 2465027, 2544544, 4930054, 5089088, 9860108, 19720216, 39440432, 78880864, 157761728]

約数ペア:

[(1, 157761728), (2, 78880864), (4, 39440432), (8, 19720216), (16, 9860108), (31, 5089088), (32, 4930054), (62, 2544544), (64, 2465027), (124, 1272272), (131, 1204288), (248, 636136), (262, 602144), (496, 318068), (524, 301072), (607, 259904), (992, 159034), (1048, 150536), (1214, 129952), (1984, 79517), (2096, 75268), (2428, 64976), (4061, 38848), (4192, 37634), (4856, 32488), (8122, 19424), (8384, 18817), (9712, 16244)]