86919287

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 110812800

約数和(自身を除く): 23893513

約数列:

[1, 7, 13, 49, 91, 101, 193, 343, 637, 707, 1313, 1351, 2509, 4459, 4949, 9191, 9457, 17563, 19493, 34643, 64337, 66199, 122941, 136451, 253409, 450359, 860587, 955157, 1773863, 6686099, 12417041, 86919287]

約数ペア:

[(1, 86919287), (7, 12417041), (13, 6686099), (49, 1773863), (91, 955157), (101, 860587), (193, 450359), (343, 253409), (637, 136451), (707, 122941), (1313, 66199), (1351, 64337), (2509, 34643), (4459, 19493), (4949, 17563), (9191, 9457)]