81189128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{1823}}^1$

素因数の和:2141

約数の個数: 32

約数和(自身を含む): 160876800

約数和(自身を除く): 79687672

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 293, 586, 1172, 1823, 2344, 3646, 5567, 7292, 11134, 14584, 22268, 34637, 44536, 69274, 138548, 277096, 534139, 1068278, 2136556, 4273112, 10148641, 20297282, 40594564, 81189128]

約数ペア:

[(1, 81189128), (2, 40594564), (4, 20297282), (8, 10148641), (19, 4273112), (38, 2136556), (76, 1068278), (152, 534139), (293, 277096), (586, 138548), (1172, 69274), (1823, 44536), (2344, 34637), (3646, 22268), (5567, 14584), (7292, 11134)]