256220262

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:933

約数の個数: 48

約数和(自身を含む): 564035472

約数和(自身を除く): 307815210

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 257, 291, 514, 571, 582, 771, 873, 1142, 1542, 1713, 1746, 2313, 3426, 4626, 5139, 10278, 24929, 49858, 55387, 74787, 110774, 146747, 149574, 166161, 224361, 293494, 332322, 440241, 448722, 498483, 880482, 996966, 1320723, 2641446, 14234459, 28468918, 42703377, 85406754, 128110131, 256220262]

約数ペア:

[(1, 256220262), (2, 128110131), (3, 85406754), (6, 42703377), (9, 28468918), (18, 14234459), (97, 2641446), (194, 1320723), (257, 996966), (291, 880482), (514, 498483), (571, 448722), (582, 440241), (771, 332322), (873, 293494), (1142, 224361), (1542, 166161), (1713, 149574), (1746, 146747), (2313, 110774), (3426, 74787), (4626, 55387), (5139, 49858), (10278, 24929)]