257205512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61007}}^1$

素因数の和:61061

約数の個数: 32

約数和(自身を含む): 527109120

約数和(自身を除く): 269903608

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 61007, 122014, 244028, 488056, 1037119, 1891217, 2074238, 3782434, 4148476, 7564868, 8296952, 15129736, 32150689, 64301378, 128602756, 257205512]

約数ペア:

[(1, 257205512), (2, 128602756), (4, 64301378), (8, 32150689), (17, 15129736), (31, 8296952), (34, 7564868), (62, 4148476), (68, 3782434), (124, 2074238), (136, 1891217), (248, 1037119), (527, 488056), (1054, 244028), (2108, 122014), (4216, 61007)]