389628775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{653}}^1\times {\mathrm{823}}^1$

素因数の和:1515

約数の個数: 24

約数和(自身を含む): 501173280

約数和(自身を除く): 111544505

約数列:

[1, 5, 25, 29, 145, 653, 725, 823, 3265, 4115, 16325, 18937, 20575, 23867, 94685, 119335, 473425, 537419, 596675, 2687095, 13435475, 15585151, 77925755, 389628775]

約数ペア:

[(1, 389628775), (5, 77925755), (25, 15585151), (29, 13435475), (145, 2687095), (653, 596675), (725, 537419), (823, 473425), (3265, 119335), (4115, 94685), (16325, 23867), (18937, 20575)]