205847748

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1171}}^1$

素因数の和:1457

約数の個数: 72

約数和(自身を含む): 550324320

約数和(自身を除く): 344476572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 257, 342, 514, 684, 771, 1028, 1171, 1542, 2313, 2342, 3084, 3513, 4626, 4684, 4883, 7026, 9252, 9766, 10539, 14052, 14649, 19532, 21078, 22249, 29298, 42156, 43947, 44498, 58596, 66747, 87894, 88996, 133494, 175788, 200241, 266988, 300947, 400482, 601894, 800964, 902841, 1203788, 1805682, 2708523, 3611364, 5417046, 5717993, 10834092, 11435986, 17153979, 22871972, 34307958, 51461937, 68615916, 102923874, 205847748]

約数ペア:

[(1, 205847748), (2, 102923874), (3, 68615916), (4, 51461937), (6, 34307958), (9, 22871972), (12, 17153979), (18, 11435986), (19, 10834092), (36, 5717993), (38, 5417046), (57, 3611364), (76, 2708523), (114, 1805682), (171, 1203788), (228, 902841), (257, 800964), (342, 601894), (514, 400482), (684, 300947), (771, 266988), (1028, 200241), (1171, 175788), (1542, 133494), (2313, 88996), (2342, 87894), (3084, 66747), (3513, 58596), (4626, 44498), (4684, 43947), (4883, 42156), (7026, 29298), (9252, 22249), (9766, 21078), (10539, 19532), (14052, 14649)]