81448655

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 102452112

約数和(自身を除く): 21003457

約数列:

[1, 5, 37, 73, 163, 185, 365, 815, 1369, 2701, 6031, 6845, 11899, 13505, 30155, 59495, 99937, 223147, 440263, 499685, 1115735, 2201315, 16289731, 81448655]

約数ペア:

[(1, 81448655), (5, 16289731), (37, 2201315), (73, 1115735), (163, 499685), (185, 440263), (365, 223147), (815, 99937), (1369, 59495), (2701, 30155), (6031, 13505), (6845, 11899)]