257931992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{15017}}^1$

素因数の和:15155

約数の個数: 32

約数和(自身を含む): 513615600

約数和(自身を除く): 255683608

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 452, 904, 2147, 4294, 8588, 15017, 17176, 30034, 60068, 120136, 285323, 570646, 1141292, 1696921, 2282584, 3393842, 6787684, 13575368, 32241499, 64482998, 128965996, 257931992]

約数ペア:

[(1, 257931992), (2, 128965996), (4, 64482998), (8, 32241499), (19, 13575368), (38, 6787684), (76, 3393842), (113, 2282584), (152, 1696921), (226, 1141292), (452, 570646), (904, 285323), (2147, 120136), (4294, 60068), (8588, 30034), (15017, 17176)]