4272019945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{20431}}^1$

素因数の和:20557

約数の個数: 32

約数和(自身を含む): 5649039360

約数和(自身を除く): 1377019415

約数列:

[1, 5, 19, 31, 71, 95, 155, 355, 589, 1349, 2201, 2945, 6745, 11005, 20431, 41819, 102155, 209095, 388189, 633361, 1450601, 1940945, 3166805, 7253005, 12033859, 27561419, 44968631, 60169295, 137807095, 224843155, 854403989, 4272019945]

約数ペア:

[(1, 4272019945), (5, 854403989), (19, 224843155), (31, 137807095), (71, 60169295), (95, 44968631), (155, 27561419), (355, 12033859), (589, 7253005), (1349, 3166805), (2201, 1940945), (2945, 1450601), (6745, 633361), (11005, 388189), (20431, 209095), (41819, 102155)]