256543406

素因数分解:

$2^1\times 7^1\times {\mathrm{2957}}^1\times {\mathrm{6197}}^1$

素因数の和:9163

約数の個数: 16

約数和(自身を含む): 440008416

約数和(自身を除く): 183465010

約数列:

[1, 2, 7, 14, 2957, 5914, 6197, 12394, 20699, 41398, 43379, 86758, 18324529, 36649058, 128271703, 256543406]

約数ペア:

[(1, 256543406), (2, 128271703), (7, 36649058), (14, 18324529), (2957, 86758), (5914, 43379), (6197, 41398), (12394, 20699)]