688085874

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 1854720000

約数和(自身を除く): 1166634126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 149, 171, 189, 266, 298, 342, 378, 399, 447, 513, 643, 798, 894, 1026, 1043, 1197, 1286, 1341, 1929, 2086, 2394, 2682, 2831, 3129, 3591, 3858, 4023, 4501, 5662, 5787, 6258, 7182, 8046, 8493, 9002, 9387, 11574, 12217, 13503, 16986, 17361, 18774, 19817, 24434, 25479, 27006, 28161, 34722, 36651, 39634, 40509, 50958, 56322, 59451, 73302, 76437, 81018, 85519, 95807, 109953, 118902, 121527, 152874, 171038, 178353, 191614, 219906, 243054, 256557, 287421, 329859, 356706, 513114, 535059, 574842, 659718, 670649, 769671, 862263, 1070118, 1341298, 1539342, 1724526, 1820333, 2011947, 2309013, 2586789, 3640666, 4023894, 4618026, 5173578, 5460999, 6035841, 10921998, 12071682, 12742331, 16382997, 18107523, 25484662, 32765994, 36215046, 38226993, 49148991, 76453986, 98297982, 114680979, 229361958, 344042937, 688085874]

約数ペア:

[(1, 688085874), (2, 344042937), (3, 229361958), (6, 114680979), (7, 98297982), (9, 76453986), (14, 49148991), (18, 38226993), (19, 36215046), (21, 32765994), (27, 25484662), (38, 18107523), (42, 16382997), (54, 12742331), (57, 12071682), (63, 10921998), (114, 6035841), (126, 5460999), (133, 5173578), (149, 4618026), (171, 4023894), (189, 3640666), (266, 2586789), (298, 2309013), (342, 2011947), (378, 1820333), (399, 1724526), (447, 1539342), (513, 1341298), (643, 1070118), (798, 862263), (894, 769671), (1026, 670649), (1043, 659718), (1197, 574842), (1286, 535059), (1341, 513114), (1929, 356706), (2086, 329859), (2394, 287421), (2682, 256557), (2831, 243054), (3129, 219906), (3591, 191614), (3858, 178353), (4023, 171038), (4501, 152874), (5662, 121527), (5787, 118902), (6258, 109953), (7182, 95807), (8046, 85519), (8493, 81018), (9002, 76437), (9387, 73302), (11574, 59451), (12217, 56322), (13503, 50958), (16986, 40509), (17361, 39634), (18774, 36651), (19817, 34722), (24434, 28161), (25479, 27006)]