221841568

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 531256320

約数和(自身を除く): 309414752

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 68, 76, 104, 127, 136, 152, 169, 208, 221, 247, 254, 272, 304, 323, 338, 416, 442, 494, 508, 544, 608, 646, 676, 884, 988, 1016, 1292, 1352, 1651, 1768, 1976, 2032, 2159, 2413, 2584, 2704, 2873, 3211, 3302, 3536, 3952, 4064, 4199, 4318, 4826, 5168, 5408, 5746, 6422, 6604, 7072, 7904, 8398, 8636, 9652, 10336, 11492, 12844, 13208, 16796, 17272, 19304, 21463, 22984, 25688, 26416, 28067, 31369, 33592, 34544, 38608, 41021, 42926, 45968, 51376, 52832, 54587, 56134, 62738, 67184, 69088, 77216, 82042, 85852, 91936, 102752, 109174, 112268, 125476, 134368, 164084, 171704, 218348, 224536, 250952, 328168, 343408, 364871, 407797, 436696, 449072, 501904, 533273, 656336, 686816, 729742, 815594, 873392, 898144, 1003808, 1066546, 1312672, 1459484, 1631188, 1746784, 2133092, 2918968, 3262376, 4266184, 5837936, 6524752, 6932549, 8532368, 11675872, 13049504, 13865098, 17064736, 27730196, 55460392, 110920784, 221841568]

約数ペア:

[(1, 221841568), (2, 110920784), (4, 55460392), (8, 27730196), (13, 17064736), (16, 13865098), (17, 13049504), (19, 11675872), (26, 8532368), (32, 6932549), (34, 6524752), (38, 5837936), (52, 4266184), (68, 3262376), (76, 2918968), (104, 2133092), (127, 1746784), (136, 1631188), (152, 1459484), (169, 1312672), (208, 1066546), (221, 1003808), (247, 898144), (254, 873392), (272, 815594), (304, 729742), (323, 686816), (338, 656336), (416, 533273), (442, 501904), (494, 449072), (508, 436696), (544, 407797), (608, 364871), (646, 343408), (676, 328168), (884, 250952), (988, 224536), (1016, 218348), (1292, 171704), (1352, 164084), (1651, 134368), (1768, 125476), (1976, 112268), (2032, 109174), (2159, 102752), (2413, 91936), (2584, 85852), (2704, 82042), (2873, 77216), (3211, 69088), (3302, 67184), (3536, 62738), (3952, 56134), (4064, 54587), (4199, 52832), (4318, 51376), (4826, 45968), (5168, 42926), (5408, 41021), (5746, 38608), (6422, 34544), (6604, 33592), (7072, 31369), (7904, 28067), (8398, 26416), (8636, 25688), (9652, 22984), (10336, 21463), (11492, 19304), (12844, 17272), (13208, 16796)]