31999788

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{2239}}^1$

素因数の和:2646

約数の個数: 36

約数和(自身を含む): 81128320

約数和(自身を除く): 49128532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1588, 2239, 2382, 3573, 4478, 4764, 6717, 7146, 8956, 13434, 14292, 20151, 26868, 40302, 80604, 888883, 1777766, 2666649, 3555532, 5333298, 7999947, 10666596, 15999894, 31999788]

約数ペア:

[(1, 31999788), (2, 15999894), (3, 10666596), (4, 7999947), (6, 5333298), (9, 3555532), (12, 2666649), (18, 1777766), (36, 888883), (397, 80604), (794, 40302), (1191, 26868), (1588, 20151), (2239, 14292), (2382, 13434), (3573, 8956), (4478, 7146), (4764, 6717)]