204437545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{66919}}^1$

素因数の和:66984

約数の個数: 16

約数和(自身を含む): 269821440

約数和(自身を除く): 65383895

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 66919, 334595, 869947, 3145193, 4349735, 15725965, 40887509, 204437545]

約数ペア:

[(1, 204437545), (5, 40887509), (13, 15725965), (47, 4349735), (65, 3145193), (235, 869947), (611, 334595), (3055, 66919)]