987231636

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{517417}}^1$

素因数の和:517480

約数の個数: 36

約数和(自身を含む): 2542592052

約数和(自身を除く): 1555360416

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 517417, 1034834, 1552251, 2069668, 3104502, 4656753, 6209004, 9313506, 18627012, 27423101, 54846202, 82269303, 109692404, 164538606, 246807909, 329077212, 493615818, 987231636]

約数ペア:

[(1, 987231636), (2, 493615818), (3, 329077212), (4, 246807909), (6, 164538606), (9, 109692404), (12, 82269303), (18, 54846202), (36, 27423101), (53, 18627012), (106, 9313506), (159, 6209004), (212, 4656753), (318, 3104502), (477, 2069668), (636, 1552251), (954, 1034834), (1908, 517417)]