1388336770

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{653}}^1\times {\mathrm{1987}}^1$

素因数の和:2754

約数の個数: 32

約数和(自身を含む): 2527495488

約数和(自身を除く): 1139158718

約数列:

[1, 2, 5, 10, 107, 214, 535, 653, 1070, 1306, 1987, 3265, 3974, 6530, 9935, 19870, 69871, 139742, 212609, 349355, 425218, 698710, 1063045, 1297511, 2126090, 2595022, 6487555, 12975110, 138833677, 277667354, 694168385, 1388336770]

約数ペア:

[(1, 1388336770), (2, 694168385), (5, 277667354), (10, 138833677), (107, 12975110), (214, 6487555), (535, 2595022), (653, 2126090), (1070, 1297511), (1306, 1063045), (1987, 698710), (3265, 425218), (3974, 349355), (6530, 212609), (9935, 139742), (19870, 69871)]