1286943948

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{7321}}^1$

素因数の和:7607

約数の個数: 72

約数和(自身を含む): 3438118320

約数和(自身を除く): 2151174372

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, 1542, 2313, 3084, 4626, 4883, 7321, 9252, 9766, 14642, 14649, 19532, 21963, 29284, 29298, 43926, 43947, 58596, 65889, 87852, 87894, 131778, 139099, 175788, 263556, 278198, 417297, 556396, 834594, 1251891, 1669188, 1881497, 2503782, 3762994, 5007564, 5644491, 7525988, 11288982, 16933473, 22577964, 33866946, 35748443, 67733892, 71496886, 107245329, 142993772, 214490658, 321735987, 428981316, 643471974, 1286943948]

約数ペア:

[(1, 1286943948), (2, 643471974), (3, 428981316), (4, 321735987), (6, 214490658), (9, 142993772), (12, 107245329), (18, 71496886), (19, 67733892), (36, 35748443), (38, 33866946), (57, 22577964), (76, 16933473), (114, 11288982), (171, 7525988), (228, 5644491), (257, 5007564), (342, 3762994), (514, 2503782), (684, 1881497), (771, 1669188), (1028, 1251891), (1542, 834594), (2313, 556396), (3084, 417297), (4626, 278198), (4883, 263556), (7321, 175788), (9252, 139099), (9766, 131778), (14642, 87894), (14649, 87852), (19532, 65889), (21963, 58596), (29284, 43947), (29298, 43926)]