318066928

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1289

約数の個数: 40

約数和(自身を含む): 625690112

約数和(自身を除く): 307623184

約数列:

[1, 2, 4, 8, 16, 127, 157, 254, 314, 508, 628, 997, 1016, 1256, 1994, 2032, 2512, 3988, 7976, 15952, 19939, 39878, 79756, 126619, 156529, 159512, 253238, 313058, 319024, 506476, 626116, 1012952, 1252232, 2025904, 2504464, 19879183, 39758366, 79516732, 159033464, 318066928]

約数ペア:

[(1, 318066928), (2, 159033464), (4, 79516732), (8, 39758366), (16, 19879183), (127, 2504464), (157, 2025904), (254, 1252232), (314, 1012952), (508, 626116), (628, 506476), (997, 319024), (1016, 313058), (1256, 253238), (1994, 159512), (2032, 156529), (2512, 126619), (3988, 79756), (7976, 39878), (15952, 19939)]