209525906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 337305600

約数和(自身を除く): 127779694

約数列:

[1, 2, 23, 46, 47, 94, 199, 398, 487, 974, 1081, 2162, 4577, 9154, 9353, 11201, 18706, 22402, 22889, 45778, 96913, 193826, 215119, 430238, 526447, 1052894, 2228999, 4457998, 4554911, 9109822, 104762953, 209525906]

約数ペア:

[(1, 209525906), (2, 104762953), (23, 9109822), (46, 4554911), (47, 4457998), (94, 2228999), (199, 1052894), (398, 526447), (487, 430238), (974, 215119), (1081, 193826), (2162, 96913), (4577, 45778), (9154, 22889), (9353, 22402), (11201, 18706)]