257949456

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{32969}}^1$

素因数の和:33143

約数の個数: 40

約数和(自身を含む): 670477920

約数和(自身を除く): 412528464

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 3912, 7824, 32969, 65938, 98907, 131876, 197814, 263752, 395628, 527504, 791256, 1582512, 5373947, 10747894, 16121841, 21495788, 32243682, 42991576, 64487364, 85983152, 128974728, 257949456]

約数ペア:

[(1, 257949456), (2, 128974728), (3, 85983152), (4, 64487364), (6, 42991576), (8, 32243682), (12, 21495788), (16, 16121841), (24, 10747894), (48, 5373947), (163, 1582512), (326, 791256), (489, 527504), (652, 395628), (978, 263752), (1304, 197814), (1956, 131876), (2608, 98907), (3912, 65938), (7824, 32969)]