16649945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8263}}^1$

素因数の和:8312

約数の個数: 16

約数和(自身を含む): 22213632

約数和(自身を除く): 5563687

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 8263, 41315, 107419, 256153, 537095, 1280765, 3329989, 16649945]

約数ペア:

[(1, 16649945), (5, 3329989), (13, 1280765), (31, 537095), (65, 256153), (155, 107419), (403, 41315), (2015, 8263)]