217857276

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 168

約数和(自身を含む): 704381664

約数和(自身を除く): 486524388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 243, 252, 273, 324, 351, 364, 378, 468, 486, 546, 567, 702, 729, 756, 819, 821, 972, 1053, 1092, 1134, 1404, 1458, 1638, 1642, 1701, 2106, 2268, 2457, 2463, 2916, 3159, 3276, 3284, 3402, 4212, 4914, 4926, 5103, 5747, 6318, 6804, 7371, 7389, 9477, 9828, 9852, 10206, 10673, 11494, 12636, 14742, 14778, 17241, 18954, 20412, 21346, 22113, 22167, 22988, 29484, 29556, 32019, 34482, 37908, 42692, 44226, 44334, 51723, 64038, 66339, 66501, 68964, 74711, 88452, 88668, 96057, 103446, 128076, 132678, 133002, 149422, 155169, 192114, 199503, 206892, 224133, 265356, 266004, 288171, 298844, 310338, 384228, 399006, 448266, 465507, 576342, 598509, 620676, 672399, 798012, 864513, 896532, 931014, 1152684, 1197018, 1344798, 1396521, 1729026, 1862028, 2017197, 2394036, 2593539, 2689596, 2793042, 3458052, 4034394, 4189563, 5187078, 5586084, 6051591, 7780617, 8068788, 8379126, 10374156, 12103182, 15561234, 16758252, 18154773, 24206364, 31122468, 36309546, 54464319, 72619092, 108928638, 217857276]

約数ペア:

[(1, 217857276), (2, 108928638), (3, 72619092), (4, 54464319), (6, 36309546), (7, 31122468), (9, 24206364), (12, 18154773), (13, 16758252), (14, 15561234), (18, 12103182), (21, 10374156), (26, 8379126), (27, 8068788), (28, 7780617), (36, 6051591), (39, 5586084), (42, 5187078), (52, 4189563), (54, 4034394), (63, 3458052), (78, 2793042), (81, 2689596), (84, 2593539), (91, 2394036), (108, 2017197), (117, 1862028), (126, 1729026), (156, 1396521), (162, 1344798), (182, 1197018), (189, 1152684), (234, 931014), (243, 896532), (252, 864513), (273, 798012), (324, 672399), (351, 620676), (364, 598509), (378, 576342), (468, 465507), (486, 448266), (546, 399006), (567, 384228), (702, 310338), (729, 298844), (756, 288171), (819, 266004), (821, 265356), (972, 224133), (1053, 206892), (1092, 199503), (1134, 192114), (1404, 155169), (1458, 149422), (1638, 133002), (1642, 132678), (1701, 128076), (2106, 103446), (2268, 96057), (2457, 88668), (2463, 88452), (2916, 74711), (3159, 68964), (3276, 66501), (3284, 66339), (3402, 64038), (4212, 51723), (4914, 44334), (4926, 44226), (5103, 42692), (5747, 37908), (6318, 34482), (6804, 32019), (7371, 29556), (7389, 29484), (9477, 22988), (9828, 22167), (9852, 22113), (10206, 21346), (10673, 20412), (11494, 18954), (12636, 17241), (14742, 14778)]