686678772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 1859397120

約数和(自身を除く): 1172718348

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 71, 76, 78, 114, 142, 156, 169, 213, 228, 247, 251, 284, 338, 426, 494, 502, 507, 676, 741, 753, 852, 923, 988, 1004, 1014, 1349, 1482, 1506, 1846, 2028, 2698, 2769, 2964, 3012, 3211, 3263, 3692, 4047, 4769, 5396, 5538, 6422, 6526, 8094, 9538, 9633, 9789, 11076, 11999, 12844, 13052, 14307, 16188, 17537, 17821, 19076, 19266, 19578, 23998, 28614, 35074, 35642, 35997, 38532, 39156, 42419, 47996, 52611, 53463, 57228, 61997, 70148, 71284, 71994, 84838, 105222, 106926, 123994, 127257, 143988, 169676, 185991, 210444, 213852, 227981, 231673, 247988, 254514, 338599, 371982, 455962, 463346, 509028, 677198, 683943, 695019, 743964, 805961, 911924, 926692, 1015797, 1354396, 1367886, 1390038, 1611922, 2031594, 2417883, 2735772, 2780076, 3011749, 3223844, 4063188, 4401787, 4835766, 6023498, 8803574, 9035247, 9671532, 12046996, 13205361, 17607148, 18070494, 26410722, 36140988, 52821444, 57223231, 114446462, 171669693, 228892924, 343339386, 686678772]

約数ペア:

[(1, 686678772), (2, 343339386), (3, 228892924), (4, 171669693), (6, 114446462), (12, 57223231), (13, 52821444), (19, 36140988), (26, 26410722), (38, 18070494), (39, 17607148), (52, 13205361), (57, 12046996), (71, 9671532), (76, 9035247), (78, 8803574), (114, 6023498), (142, 4835766), (156, 4401787), (169, 4063188), (213, 3223844), (228, 3011749), (247, 2780076), (251, 2735772), (284, 2417883), (338, 2031594), (426, 1611922), (494, 1390038), (502, 1367886), (507, 1354396), (676, 1015797), (741, 926692), (753, 911924), (852, 805961), (923, 743964), (988, 695019), (1004, 683943), (1014, 677198), (1349, 509028), (1482, 463346), (1506, 455962), (1846, 371982), (2028, 338599), (2698, 254514), (2769, 247988), (2964, 231673), (3012, 227981), (3211, 213852), (3263, 210444), (3692, 185991), (4047, 169676), (4769, 143988), (5396, 127257), (5538, 123994), (6422, 106926), (6526, 105222), (8094, 84838), (9538, 71994), (9633, 71284), (9789, 70148), (11076, 61997), (11999, 57228), (12844, 53463), (13052, 52611), (14307, 47996), (16188, 42419), (17537, 39156), (17821, 38532), (19076, 35997), (19266, 35642), (19578, 35074), (23998, 28614)]