397197575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{1811}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 510491136

約数和(自身を除く): 113293561

約数列:

[1, 5, 25, 31, 155, 283, 775, 1415, 1811, 7075, 8773, 9055, 43865, 45275, 56141, 219325, 280705, 512513, 1403525, 2562565, 12812825, 15887903, 79439515, 397197575]

約数ペア:

[(1, 397197575), (5, 79439515), (25, 15887903), (31, 12812825), (155, 2562565), (283, 1403525), (775, 512513), (1415, 280705), (1811, 219325), (7075, 56141), (8773, 45275), (9055, 43865)]