1787368642

素因数分解:

$2^1\times {\mathrm{389}}^1\times {\mathrm{491}}^1\times {\mathrm{4679}}^1$

素因数の和:5561

約数の個数: 16

約数和(自身を含む): 2693995200

約数和(自身を除く): 906626558

約数列:

[1, 2, 389, 491, 778, 982, 4679, 9358, 190999, 381998, 1820131, 2297389, 3640262, 4594778, 893684321, 1787368642]

約数ペア:

[(1, 1787368642), (2, 893684321), (389, 4594778), (491, 3640262), (778, 2297389), (982, 1820131), (4679, 381998), (9358, 190999)]