257427306

素因数分解:

$2^1\times 3^2\times {\mathrm{331}}^1\times {\mathrm{43207}}^1$

素因数の和:43546

約数の個数: 24

約数和(自身を含む): 559457184

約数和(自身を除く): 302029878

約数列:

[1, 2, 3, 6, 9, 18, 331, 662, 993, 1986, 2979, 5958, 43207, 86414, 129621, 259242, 388863, 777726, 14301517, 28603034, 42904551, 85809102, 128713653, 257427306]

約数ペア:

[(1, 257427306), (2, 128713653), (3, 85809102), (6, 42904551), (9, 28603034), (18, 14301517), (331, 777726), (662, 388863), (993, 259242), (1986, 129621), (2979, 86414), (5958, 43207)]