686182016

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 128

約数和(自身を含む): 1579253760

約数和(自身を除く): 893071744

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 127, 128, 136, 191, 208, 221, 254, 272, 382, 416, 442, 508, 544, 764, 832, 884, 1016, 1088, 1528, 1651, 1664, 1768, 2032, 2159, 2176, 2483, 3056, 3247, 3302, 3536, 4064, 4318, 4966, 6112, 6494, 6604, 7072, 8128, 8636, 9932, 12224, 12988, 13208, 14144, 16256, 17272, 19864, 24257, 24448, 25976, 26416, 28067, 28288, 34544, 39728, 42211, 48514, 51952, 52832, 56134, 69088, 79456, 84422, 97028, 103904, 105664, 112268, 138176, 158912, 168844, 194056, 207808, 211328, 224536, 276352, 315341, 317824, 337688, 388112, 412369, 415616, 449072, 630682, 675376, 776224, 824738, 898144, 1261364, 1350752, 1552448, 1649476, 1796288, 2522728, 2701504, 3104896, 3298952, 3592576, 5045456, 5360797, 5403008, 6597904, 10090912, 10721594, 13195808, 20181824, 21443188, 26391616, 40363648, 42886376, 52783232, 85772752, 171545504, 343091008, 686182016]

約数ペア:

[(1, 686182016), (2, 343091008), (4, 171545504), (8, 85772752), (13, 52783232), (16, 42886376), (17, 40363648), (26, 26391616), (32, 21443188), (34, 20181824), (52, 13195808), (64, 10721594), (68, 10090912), (104, 6597904), (127, 5403008), (128, 5360797), (136, 5045456), (191, 3592576), (208, 3298952), (221, 3104896), (254, 2701504), (272, 2522728), (382, 1796288), (416, 1649476), (442, 1552448), (508, 1350752), (544, 1261364), (764, 898144), (832, 824738), (884, 776224), (1016, 675376), (1088, 630682), (1528, 449072), (1651, 415616), (1664, 412369), (1768, 388112), (2032, 337688), (2159, 317824), (2176, 315341), (2483, 276352), (3056, 224536), (3247, 211328), (3302, 207808), (3536, 194056), (4064, 168844), (4318, 158912), (4966, 138176), (6112, 112268), (6494, 105664), (6604, 103904), (7072, 97028), (8128, 84422), (8636, 79456), (9932, 69088), (12224, 56134), (12988, 52832), (13208, 51952), (14144, 48514), (16256, 42211), (17272, 39728), (19864, 34544), (24257, 28288), (24448, 28067), (25976, 26416)]