1239628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 2414720

約数和(自身を除く): 1175092

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 769, 806, 1538, 1612, 3076, 9997, 19994, 23839, 39988, 47678, 95356, 309907, 619814, 1239628]

約数ペア:

[(1, 1239628), (2, 619814), (4, 309907), (13, 95356), (26, 47678), (31, 39988), (52, 23839), (62, 19994), (124, 9997), (403, 3076), (769, 1612), (806, 1538)]