278839246

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{47309}}^1$

素因数の和:47739

約数の個数: 16

約数和(自身を含む): 479155680

約数和(自身を除く): 200316434

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 47309, 94618, 331163, 662326, 19917089, 39834178, 139419623, 278839246]

約数ペア:

[(1, 278839246), (2, 139419623), (7, 39834178), (14, 19917089), (421, 662326), (842, 331163), (2947, 94618), (5894, 47309)]