217804496

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 538072704

約数和(自身を除く): 320268208

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 169, 182, 208, 259, 296, 311, 338, 364, 481, 518, 592, 622, 676, 728, 962, 1036, 1183, 1244, 1352, 1456, 1924, 2072, 2177, 2366, 2488, 2704, 3367, 3848, 4043, 4144, 4354, 4732, 4976, 6253, 6734, 7696, 8086, 8708, 9464, 11507, 12506, 13468, 16172, 17416, 18928, 23014, 25012, 26936, 28301, 32344, 34832, 43771, 46028, 50024, 52559, 53872, 56602, 64688, 80549, 87542, 92056, 100048, 105118, 113204, 149591, 161098, 175084, 184112, 210236, 226408, 299182, 322196, 350168, 367913, 420472, 452816, 598364, 644392, 700336, 735826, 840944, 1047137, 1196728, 1288784, 1471652, 1944683, 2094274, 2393456, 2943304, 3889366, 4188548, 5886608, 7778732, 8377096, 13612781, 15557464, 16754192, 27225562, 31114928, 54451124, 108902248, 217804496]

約数ペア:

[(1, 217804496), (2, 108902248), (4, 54451124), (7, 31114928), (8, 27225562), (13, 16754192), (14, 15557464), (16, 13612781), (26, 8377096), (28, 7778732), (37, 5886608), (52, 4188548), (56, 3889366), (74, 2943304), (91, 2393456), (104, 2094274), (112, 1944683), (148, 1471652), (169, 1288784), (182, 1196728), (208, 1047137), (259, 840944), (296, 735826), (311, 700336), (338, 644392), (364, 598364), (481, 452816), (518, 420472), (592, 367913), (622, 350168), (676, 322196), (728, 299182), (962, 226408), (1036, 210236), (1183, 184112), (1244, 175084), (1352, 161098), (1456, 149591), (1924, 113204), (2072, 105118), (2177, 100048), (2366, 92056), (2488, 87542), (2704, 80549), (3367, 64688), (3848, 56602), (4043, 53872), (4144, 52559), (4354, 50024), (4732, 46028), (4976, 43771), (6253, 34832), (6734, 32344), (7696, 28301), (8086, 26936), (8708, 25012), (9464, 23014), (11507, 18928), (12506, 17416), (13468, 16172)]