681261984

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{13997}}^1$

素因数の和:14039

約数の個数: 108

約数和(自身を含む): 2097978246

約数和(自身を除く): 1416716262

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 169, 208, 234, 288, 312, 338, 416, 468, 507, 624, 676, 936, 1014, 1248, 1352, 1521, 1872, 2028, 2704, 3042, 3744, 4056, 5408, 6084, 8112, 12168, 13997, 16224, 24336, 27994, 41991, 48672, 55988, 83982, 111976, 125973, 167964, 181961, 223952, 251946, 335928, 363922, 447904, 503892, 545883, 671856, 727844, 1007784, 1091766, 1343712, 1455688, 1637649, 2015568, 2183532, 2365493, 2911376, 3275298, 4031136, 4367064, 4730986, 5822752, 6550596, 7096479, 8734128, 9461972, 13101192, 14192958, 17468256, 18923944, 21289437, 26202384, 28385916, 37847888, 42578874, 52404768, 56771832, 75695776, 85157748, 113543664, 170315496, 227087328, 340630992, 681261984]

約数ペア:

[(1, 681261984), (2, 340630992), (3, 227087328), (4, 170315496), (6, 113543664), (8, 85157748), (9, 75695776), (12, 56771832), (13, 52404768), (16, 42578874), (18, 37847888), (24, 28385916), (26, 26202384), (32, 21289437), (36, 18923944), (39, 17468256), (48, 14192958), (52, 13101192), (72, 9461972), (78, 8734128), (96, 7096479), (104, 6550596), (117, 5822752), (144, 4730986), (156, 4367064), (169, 4031136), (208, 3275298), (234, 2911376), (288, 2365493), (312, 2183532), (338, 2015568), (416, 1637649), (468, 1455688), (507, 1343712), (624, 1091766), (676, 1007784), (936, 727844), (1014, 671856), (1248, 545883), (1352, 503892), (1521, 447904), (1872, 363922), (2028, 335928), (2704, 251946), (3042, 223952), (3744, 181961), (4056, 167964), (5408, 125973), (6084, 111976), (8112, 83982), (12168, 55988), (13997, 48672), (16224, 41991), (24336, 27994)]