131446256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{432389}}^1$

素因数の和:432416

約数の個数: 20

約数和(自身を含む): 268081800

約数和(自身を除く): 136635544

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 432389, 864778, 1729556, 3459112, 6918224, 8215391, 16430782, 32861564, 65723128, 131446256]

約数ペア:

[(1, 131446256), (2, 65723128), (4, 32861564), (8, 16430782), (16, 8215391), (19, 6918224), (38, 3459112), (76, 1729556), (152, 864778), (304, 432389)]