388655390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{6803}}^1$

素因数の和:7036

約数の個数: 32

約数和(自身を含む): 727483680

約数和(自身を除く): 338828290

約数列:

[1, 2, 5, 10, 29, 58, 145, 197, 290, 394, 985, 1970, 5713, 6803, 11426, 13606, 28565, 34015, 57130, 68030, 197287, 394574, 986435, 1340191, 1972870, 2680382, 6700955, 13401910, 38865539, 77731078, 194327695, 388655390]

約数ペア:

[(1, 388655390), (2, 194327695), (5, 77731078), (10, 38865539), (29, 13401910), (58, 6700955), (145, 2680382), (197, 1972870), (290, 1340191), (394, 986435), (985, 394574), (1970, 197287), (5713, 68030), (6803, 57130), (11426, 34015), (13606, 28565)]