25891213438

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{398977}}^1$

素因数の和:399507

約数の個数: 16

約数和(自身を含む): 39470095584

約数和(自身を除く): 13578882146

約数列:

[1, 2, 71, 142, 457, 914, 32447, 64894, 398977, 797954, 28327367, 56654734, 182332489, 364664978, 12945606719, 25891213438]

約数ペア:

[(1, 25891213438), (2, 12945606719), (71, 364664978), (142, 182332489), (457, 56654734), (914, 28327367), (32447, 797954), (64894, 398977)]