56381455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 77898240

約数和(自身を除く): 21516785

約数列:

[1, 5, 13, 19, 65, 71, 95, 247, 355, 643, 923, 1235, 1349, 3215, 4615, 6745, 8359, 12217, 17537, 41795, 45653, 61085, 87685, 158821, 228265, 593489, 794105, 867407, 2967445, 4337035, 11276291, 56381455]

約数ペア:

[(1, 56381455), (5, 11276291), (13, 4337035), (19, 2967445), (65, 867407), (71, 794105), (95, 593489), (247, 228265), (355, 158821), (643, 87685), (923, 61085), (1235, 45653), (1349, 41795), (3215, 17537), (4615, 12217), (6745, 8359)]