648459968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 168

約数和(自身を含む): 1560771072

約数和(自身を除く): 912311104

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 64, 68, 76, 104, 127, 136, 152, 208, 221, 247, 254, 272, 304, 323, 361, 416, 442, 494, 508, 544, 608, 646, 722, 832, 884, 988, 1016, 1088, 1216, 1292, 1444, 1651, 1768, 1976, 2032, 2159, 2413, 2584, 2888, 3302, 3536, 3952, 4064, 4199, 4318, 4693, 4826, 5168, 5776, 6137, 6604, 7072, 7904, 8128, 8398, 8636, 9386, 9652, 10336, 11552, 12274, 13208, 14144, 15808, 16796, 17272, 18772, 19304, 20672, 23104, 24548, 26416, 28067, 31369, 33592, 34544, 37544, 38608, 41021, 45847, 49096, 52832, 56134, 62738, 67184, 69088, 75088, 77216, 79781, 82042, 91694, 98192, 105664, 112268, 125476, 134368, 138176, 150176, 154432, 159562, 164084, 183388, 196384, 224536, 250952, 268736, 300352, 319124, 328168, 366776, 392768, 449072, 501904, 533273, 596011, 638248, 656336, 733552, 779399, 898144, 1003808, 1066546, 1192022, 1276496, 1312672, 1467104, 1558798, 1796288, 2007616, 2133092, 2384044, 2552992, 2625344, 2934208, 3117596, 4266184, 4768088, 5105984, 6235192, 8532368, 9536176, 10132187, 12470384, 17064736, 19072352, 20264374, 24940768, 34129472, 38144704, 40528748, 49881536, 81057496, 162114992, 324229984, 648459968]

約数ペア:

[(1, 648459968), (2, 324229984), (4, 162114992), (8, 81057496), (13, 49881536), (16, 40528748), (17, 38144704), (19, 34129472), (26, 24940768), (32, 20264374), (34, 19072352), (38, 17064736), (52, 12470384), (64, 10132187), (68, 9536176), (76, 8532368), (104, 6235192), (127, 5105984), (136, 4768088), (152, 4266184), (208, 3117596), (221, 2934208), (247, 2625344), (254, 2552992), (272, 2384044), (304, 2133092), (323, 2007616), (361, 1796288), (416, 1558798), (442, 1467104), (494, 1312672), (508, 1276496), (544, 1192022), (608, 1066546), (646, 1003808), (722, 898144), (832, 779399), (884, 733552), (988, 656336), (1016, 638248), (1088, 596011), (1216, 533273), (1292, 501904), (1444, 449072), (1651, 392768), (1768, 366776), (1976, 328168), (2032, 319124), (2159, 300352), (2413, 268736), (2584, 250952), (2888, 224536), (3302, 196384), (3536, 183388), (3952, 164084), (4064, 159562), (4199, 154432), (4318, 150176), (4693, 138176), (4826, 134368), (5168, 125476), (5776, 112268), (6137, 105664), (6604, 98192), (7072, 91694), (7904, 82042), (8128, 79781), (8398, 77216), (8636, 75088), (9386, 69088), (9652, 67184), (10336, 62738), (11552, 56134), (12274, 52832), (13208, 49096), (14144, 45847), (15808, 41021), (16796, 38608), (17272, 37544), (18772, 34544), (19304, 33592), (20672, 31369), (23104, 28067), (24548, 26416)]