28268978835

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1307}}^1\times {\mathrm{38971}}^1$

素因数の和:40323

約数の個数: 32

約数和(自身を含む): 46489542912

約数和(自身を除く): 18220564077

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 1307, 3921, 6535, 19605, 38971, 48359, 116913, 145077, 194855, 241795, 584565, 725385, 1441927, 4325781, 7209635, 21628905, 50935097, 152805291, 254675485, 764026455, 1884598589, 5653795767, 9422992945, 28268978835]

約数ペア:

[(1, 28268978835), (3, 9422992945), (5, 5653795767), (15, 1884598589), (37, 764026455), (111, 254675485), (185, 152805291), (555, 50935097), (1307, 21628905), (3921, 7209635), (6535, 4325781), (19605, 1441927), (38971, 725385), (48359, 584565), (116913, 241795), (145077, 194855)]