1890215965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1373}}^1\times {\mathrm{25031}}^1$

素因数の和:26420

約数の個数: 16

約数和(自身を含む): 2476365696

約数和(自身を除く): 586149731

約数列:

[1, 5, 11, 55, 1373, 6865, 15103, 25031, 75515, 125155, 275341, 1376705, 34367563, 171837815, 378043193, 1890215965]

約数ペア:

[(1, 1890215965), (5, 378043193), (11, 171837815), (55, 34367563), (1373, 1376705), (6865, 275341), (15103, 125155), (25031, 75515)]