7856368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 16592688

約数和(自身を除く): 8736320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 353, 428, 706, 856, 1391, 1412, 1712, 2782, 2824, 4589, 5564, 5648, 9178, 11128, 18356, 22256, 36712, 37771, 73424, 75542, 151084, 302168, 491023, 604336, 982046, 1964092, 3928184, 7856368]

約数ペア:

[(1, 7856368), (2, 3928184), (4, 1964092), (8, 982046), (13, 604336), (16, 491023), (26, 302168), (52, 151084), (104, 75542), (107, 73424), (208, 37771), (214, 36712), (353, 22256), (428, 18356), (706, 11128), (856, 9178), (1391, 5648), (1412, 5564), (1712, 4589), (2782, 2824)]