157457864

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2663}}^1$

素因数の和:3077

約数の個数: 32

約数和(自身を含む): 311688000

約数和(自身を除く): 154230136

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 389, 778, 1556, 2663, 3112, 5326, 7391, 10652, 14782, 21304, 29564, 50597, 59128, 101194, 202388, 404776, 1035907, 2071814, 4143628, 8287256, 19682233, 39364466, 78728932, 157457864]

約数ペア:

[(1, 157457864), (2, 78728932), (4, 39364466), (8, 19682233), (19, 8287256), (38, 4143628), (76, 2071814), (152, 1035907), (389, 404776), (778, 202388), (1556, 101194), (2663, 59128), (3112, 50597), (5326, 29564), (7391, 21304), (10652, 14782)]