258817321

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{10789}}^1$

素因数の和:10968

約数の個数: 16

約数和(自身を含む): 310752000

約数和(自身を除く): 51934679

約数列:

[1, 7, 23, 149, 161, 1043, 3427, 10789, 23989, 75523, 248147, 1607561, 1737029, 11252927, 36973903, 258817321]

約数ペア:

[(1, 258817321), (7, 36973903), (23, 11252927), (149, 1737029), (161, 1607561), (1043, 248147), (3427, 75523), (10789, 23989)]