218586564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:750

約数の個数: 144

約数和(自身を含む): 675118080

約数和(自身を除く): 456531516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 71, 76, 84, 114, 126, 133, 142, 171, 213, 228, 252, 266, 284, 342, 399, 426, 497, 532, 639, 643, 684, 798, 852, 994, 1197, 1278, 1286, 1349, 1491, 1596, 1929, 1988, 2394, 2556, 2572, 2698, 2982, 3858, 4047, 4473, 4501, 4788, 5396, 5787, 5964, 7716, 8094, 8946, 9002, 9443, 11574, 12141, 12217, 13503, 16188, 17892, 18004, 18886, 23148, 24282, 24434, 27006, 28329, 36651, 37772, 40509, 45653, 48564, 48868, 54012, 56658, 73302, 81018, 84987, 85519, 91306, 109953, 113316, 136959, 146604, 162036, 169974, 171038, 182612, 219906, 256557, 273918, 319571, 339948, 342076, 410877, 439812, 513114, 547836, 639142, 769671, 821754, 867407, 958713, 1026228, 1278284, 1539342, 1643508, 1734814, 1917426, 2602221, 2876139, 3078684, 3469628, 3834852, 5204442, 5752278, 6071849, 7806663, 10408884, 11504556, 12143698, 15613326, 18215547, 24287396, 31226652, 36431094, 54646641, 72862188, 109293282, 218586564]

約数ペア:

[(1, 218586564), (2, 109293282), (3, 72862188), (4, 54646641), (6, 36431094), (7, 31226652), (9, 24287396), (12, 18215547), (14, 15613326), (18, 12143698), (19, 11504556), (21, 10408884), (28, 7806663), (36, 6071849), (38, 5752278), (42, 5204442), (57, 3834852), (63, 3469628), (71, 3078684), (76, 2876139), (84, 2602221), (114, 1917426), (126, 1734814), (133, 1643508), (142, 1539342), (171, 1278284), (213, 1026228), (228, 958713), (252, 867407), (266, 821754), (284, 769671), (342, 639142), (399, 547836), (426, 513114), (497, 439812), (532, 410877), (639, 342076), (643, 339948), (684, 319571), (798, 273918), (852, 256557), (994, 219906), (1197, 182612), (1278, 171038), (1286, 169974), (1349, 162036), (1491, 146604), (1596, 136959), (1929, 113316), (1988, 109953), (2394, 91306), (2556, 85519), (2572, 84987), (2698, 81018), (2982, 73302), (3858, 56658), (4047, 54012), (4473, 48868), (4501, 48564), (4788, 45653), (5396, 40509), (5787, 37772), (5964, 36651), (7716, 28329), (8094, 27006), (8946, 24434), (9002, 24282), (9443, 23148), (11574, 18886), (12141, 18004), (12217, 17892), (13503, 16188)]