216771282

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1485

約数の個数: 128

約数和(自身を含む): 612433920

約数和(自身を除く): 395662638

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 31, 39, 42, 54, 62, 63, 78, 91, 93, 117, 126, 182, 186, 189, 217, 234, 273, 279, 351, 378, 403, 434, 546, 558, 651, 702, 806, 819, 837, 1209, 1302, 1423, 1638, 1674, 1953, 2418, 2457, 2821, 2846, 3627, 3906, 4269, 4914, 5642, 5859, 7254, 8463, 8538, 9961, 10881, 11718, 12807, 16926, 18499, 19922, 21762, 25389, 25614, 29883, 36998, 38421, 44113, 50778, 55497, 59766, 76167, 76842, 88226, 89649, 110994, 129493, 132339, 152334, 166491, 179298, 258986, 264678, 268947, 308791, 332982, 388479, 397017, 499473, 537894, 573469, 617582, 776958, 794034, 926373, 998946, 1146938, 1165437, 1191051, 1720407, 1852746, 2330874, 2382102, 2779119, 3440814, 3496311, 4014283, 5161221, 5558238, 6992622, 8028566, 8337357, 10322442, 12042849, 15483663, 16674714, 24085698, 30967326, 36128547, 72257094, 108385641, 216771282]

約数ペア:

[(1, 216771282), (2, 108385641), (3, 72257094), (6, 36128547), (7, 30967326), (9, 24085698), (13, 16674714), (14, 15483663), (18, 12042849), (21, 10322442), (26, 8337357), (27, 8028566), (31, 6992622), (39, 5558238), (42, 5161221), (54, 4014283), (62, 3496311), (63, 3440814), (78, 2779119), (91, 2382102), (93, 2330874), (117, 1852746), (126, 1720407), (182, 1191051), (186, 1165437), (189, 1146938), (217, 998946), (234, 926373), (273, 794034), (279, 776958), (351, 617582), (378, 573469), (403, 537894), (434, 499473), (546, 397017), (558, 388479), (651, 332982), (702, 308791), (806, 268947), (819, 264678), (837, 258986), (1209, 179298), (1302, 166491), (1423, 152334), (1638, 132339), (1674, 129493), (1953, 110994), (2418, 89649), (2457, 88226), (2821, 76842), (2846, 76167), (3627, 59766), (3906, 55497), (4269, 50778), (4914, 44113), (5642, 38421), (5859, 36998), (7254, 29883), (8463, 25614), (8538, 25389), (9961, 21762), (10881, 19922), (11718, 18499), (12807, 16926)]