1258256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4139}}^1$

素因数の和:4166

約数の個数: 20

約数和(自身を含む): 2566800

約数和(自身を除く): 1308544

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4139, 8278, 16556, 33112, 66224, 78641, 157282, 314564, 629128, 1258256]

約数ペア:

[(1, 1258256), (2, 629128), (4, 314564), (8, 157282), (16, 78641), (19, 66224), (38, 33112), (76, 16556), (152, 8278), (304, 4139)]