202802405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72559}}^1$

素因数の和:72620

約数の個数: 16

約数和(自身を含む): 268181760

約数和(自身を除く): 65379355

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 72559, 362795, 943267, 3120037, 4716335, 15600185, 40560481, 202802405]

約数ペア:

[(1, 202802405), (5, 40560481), (13, 15600185), (43, 4716335), (65, 3120037), (215, 943267), (559, 362795), (2795, 72559)]