257249338

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 416638080

約数和(自身を除く): 159388742

約数列:

[1, 2, 17, 34, 89, 151, 178, 302, 563, 1126, 1513, 2567, 3026, 5134, 9571, 13439, 19142, 26878, 50107, 85013, 100214, 170026, 228463, 456926, 851819, 1445221, 1703638, 2890442, 7566157, 15132314, 128624669, 257249338]

約数ペア:

[(1, 257249338), (2, 128624669), (17, 15132314), (34, 7566157), (89, 2890442), (151, 1703638), (178, 1445221), (302, 851819), (563, 456926), (1126, 228463), (1513, 170026), (2567, 100214), (3026, 85013), (5134, 50107), (9571, 26878), (13439, 19142)]