638492724

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{412463}}^1$

素因数の和:412516

約数の個数: 36

約数和(自身を含む): 1651505856

約数和(自身を除く): 1013013132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 412463, 824926, 1237389, 1649852, 2474778, 3712167, 4949556, 7424334, 14848668, 17735909, 35471818, 53207727, 70943636, 106415454, 159623181, 212830908, 319246362, 638492724]

約数ペア:

[(1, 638492724), (2, 319246362), (3, 212830908), (4, 159623181), (6, 106415454), (9, 70943636), (12, 53207727), (18, 35471818), (36, 17735909), (43, 14848668), (86, 7424334), (129, 4949556), (172, 3712167), (258, 2474778), (387, 1649852), (516, 1237389), (774, 824926), (1548, 412463)]