78384291

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 111245904

約数和(自身を除く): 32861613

約数列:

[1, 3, 19, 57, 157, 361, 461, 471, 1083, 1383, 2983, 8759, 8949, 26277, 56677, 72377, 166421, 170031, 217131, 499263, 1375163, 4125489, 26128097, 78384291]

約数ペア:

[(1, 78384291), (3, 26128097), (19, 4125489), (57, 1375163), (157, 499263), (361, 217131), (461, 170031), (471, 166421), (1083, 72377), (1383, 56677), (2983, 26277), (8759, 8949)]