143156945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 184757760

約数和(自身を除く): 41600815

約数列:

[1, 5, 23, 71, 89, 115, 197, 355, 445, 985, 1633, 2047, 4531, 6319, 8165, 10235, 13987, 17533, 22655, 31595, 69935, 87665, 145337, 321701, 403259, 726685, 1244843, 1608505, 2016295, 6224215, 28631389, 143156945]

約数ペア:

[(1, 143156945), (5, 28631389), (23, 6224215), (71, 2016295), (89, 1608505), (115, 1244843), (197, 726685), (355, 403259), (445, 321701), (985, 145337), (1633, 87665), (2047, 69935), (4531, 31595), (6319, 22655), (8165, 17533), (10235, 13987)]