2389985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 3132864

約数和(自身を除く): 742879

約数列:

[1, 5, 13, 65, 83, 415, 443, 1079, 2215, 5395, 5759, 28795, 36769, 183845, 477997, 2389985]

約数ペア:

[(1, 2389985), (5, 477997), (13, 183845), (65, 36769), (83, 28795), (415, 5759), (443, 5395), (1079, 2215)]