256191639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{61129}}^1$

素因数の和:61270

約数の個数: 16

約数和(自身を含む): 375582720

約数和(自身を除く): 119391081

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 61129, 183387, 672419, 2017257, 7763383, 23290149, 85397213, 256191639]

約数ペア:

[(1, 256191639), (3, 85397213), (11, 23290149), (33, 7763383), (127, 2017257), (381, 672419), (1397, 183387), (4191, 61129)]