278465675159

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{1481}}^1\times {\mathrm{193243}}^1$

素因数の和:194870

約数の個数: 16

約数和(自身を含む): 320754120960

約数和(自身を除く): 42288445801

約数列:

[1, 7, 139, 973, 1481, 10367, 193243, 205859, 1352701, 1441013, 26860777, 188025439, 286192883, 2003350181, 39780810737, 278465675159]

約数ペア:

[(1, 278465675159), (7, 39780810737), (139, 2003350181), (973, 286192883), (1481, 188025439), (10367, 26860777), (193243, 1441013), (205859, 1352701)]