168248804980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{66239687}}^1$

素因数の和:66239823

約数の個数: 24

約数和(自身を含む): 356104562688

約数和(自身を除く): 187855757708

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 66239687, 132479374, 264958748, 331198435, 662396870, 1324793740, 8412440249, 16824880498, 33649760996, 42062201245, 84124402490, 168248804980]

約数ペア:

[(1, 168248804980), (2, 84124402490), (4, 42062201245), (5, 33649760996), (10, 16824880498), (20, 8412440249), (127, 1324793740), (254, 662396870), (508, 331198435), (635, 264958748), (1270, 132479374), (2540, 66239687)]