620038839745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{970699}}^1$

素因数の和:971065

約数の個数: 32

約数和(自身を含む): 829738828800

約数和(自身を除く): 209699989055

約数列:

[1, 5, 13, 31, 65, 155, 317, 403, 1585, 2015, 4121, 9827, 20605, 49135, 127751, 638755, 970699, 4853495, 12619087, 30091669, 63095435, 150458345, 307711583, 391191697, 1538557915, 1955958485, 4000250579, 9539059073, 20001252895, 47695295365, 124007767949, 620038839745]

約数ペア:

[(1, 620038839745), (5, 124007767949), (13, 47695295365), (31, 20001252895), (65, 9539059073), (155, 4000250579), (317, 1955958485), (403, 1538557915), (1585, 391191697), (2015, 307711583), (4121, 150458345), (9827, 63095435), (20605, 30091669), (49135, 12619087), (127751, 4853495), (638755, 970699)]