2021962495

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{21991}}^1$

素因数の和:22111

約数の個数: 32

約数和(自身を含む): 2888165376

約数和(自身を除く): 866202881

約数列:

[1, 5, 7, 35, 37, 71, 185, 259, 355, 497, 1295, 2485, 2627, 13135, 18389, 21991, 91945, 109955, 153937, 769685, 813667, 1561361, 4068335, 5695669, 7806805, 10929527, 28478345, 54647635, 57770357, 288851785, 404392499, 2021962495]

約数ペア:

[(1, 2021962495), (5, 404392499), (7, 288851785), (35, 57770357), (37, 54647635), (71, 28478345), (185, 10929527), (259, 7806805), (355, 5695669), (497, 4068335), (1295, 1561361), (2485, 813667), (2627, 769685), (13135, 153937), (18389, 109955), (21991, 91945)]