257638896

素因数分解:

$2^4\times 3^2\times {\mathrm{1789159}}^1$

素因数の和:1789173

約数の個数: 30

約数和(自身を含む): 721031480

約数和(自身を除く): 463392584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1789159, 3578318, 5367477, 7156636, 10734954, 14313272, 16102431, 21469908, 28626544, 32204862, 42939816, 64409724, 85879632, 128819448, 257638896]

約数ペア:

[(1, 257638896), (2, 128819448), (3, 85879632), (4, 64409724), (6, 42939816), (8, 32204862), (9, 28626544), (12, 21469908), (16, 16102431), (18, 14313272), (24, 10734954), (36, 7156636), (48, 5367477), (72, 3578318), (144, 1789159)]