257908086

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{139109}}^1$

素因数の和:139220

約数の個数: 24

約数和(自身を含む): 564230160

約数和(自身を除く): 306322074

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 309, 618, 927, 1854, 139109, 278218, 417327, 834654, 1251981, 2503962, 14328227, 28656454, 42984681, 85969362, 128954043, 257908086]

約数ペア:

[(1, 257908086), (2, 128954043), (3, 85969362), (6, 42984681), (9, 28656454), (18, 14328227), (103, 2503962), (206, 1251981), (309, 834654), (618, 417327), (927, 278218), (1854, 139109)]