256475998

素因数分解:

$2^1\times {\mathrm{71}}^2\times {\mathrm{25439}}^1$

素因数の和:25583

約数の個数: 12

約数和(自身を含む): 390224160

約数和(自身を除く): 133748162

約数列:

[1, 2, 71, 142, 5041, 10082, 25439, 50878, 1806169, 3612338, 128237999, 256475998]

約数ペア:

[(1, 256475998), (2, 128237999), (71, 3612338), (142, 1806169), (5041, 50878), (10082, 25439)]