420588217

素因数分解:

$7^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{827}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 499522464

約数和(自身を除く): 78934247

約数列:

[1, 7, 49, 97, 107, 679, 749, 827, 4753, 5243, 5789, 10379, 40523, 72653, 80219, 88489, 508571, 561533, 619423, 3930731, 4335961, 8583433, 60084031, 420588217]

約数ペア:

[(1, 420588217), (7, 60084031), (49, 8583433), (97, 4335961), (107, 3930731), (679, 619423), (749, 561533), (827, 508571), (4753, 88489), (5243, 80219), (5789, 72653), (10379, 40523)]