257029496

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{4273}}^1$

素因数の和:4455

約数の個数: 32

約数和(自身を含む): 493390560

約数和(自身を除く): 236361064

約数列:

[1, 2, 4, 8, 73, 103, 146, 206, 292, 412, 584, 824, 4273, 7519, 8546, 15038, 17092, 30076, 34184, 60152, 311929, 440119, 623858, 880238, 1247716, 1760476, 2495432, 3520952, 32128687, 64257374, 128514748, 257029496]

約数ペア:

[(1, 257029496), (2, 128514748), (4, 64257374), (8, 32128687), (73, 3520952), (103, 2495432), (146, 1760476), (206, 1247716), (292, 880238), (412, 623858), (584, 440119), (824, 311929), (4273, 60152), (7519, 34184), (8546, 30076), (15038, 17092)]