215565905

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1\times {\mathrm{2281}}^1$

素因数の和:2788

約数の個数: 16

約数和(自身を含む): 265679568

約数和(自身を除く): 50113663

約数列:

[1, 5, 41, 205, 461, 2281, 2305, 11405, 18901, 93521, 94505, 467605, 1051541, 5257705, 43113181, 215565905]

約数ペア:

[(1, 215565905), (5, 43113181), (41, 5257705), (205, 1051541), (461, 467605), (2281, 94505), (2305, 93521), (11405, 18901)]