256277374

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1\times {\mathrm{1409}}^1$

素因数の和:2067

約数の個数: 16

約数和(自身を含む): 387468000

約数和(自身を除く): 131190626

約数列:

[1, 2, 199, 398, 457, 914, 1409, 2818, 90943, 181886, 280391, 560782, 643913, 1287826, 128138687, 256277374]

約数ペア:

[(1, 256277374), (2, 128138687), (199, 1287826), (398, 643913), (457, 560782), (914, 280391), (1409, 181886), (2818, 90943)]