28120512

素因数分解:

$2^6\times 3^1\times 7^4\times {\mathrm{61}}^1$

素因数の和:104

約数の個数: 140

約数和(自身を含む): 88220296

約数和(自身を除く): 60099784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 61, 64, 84, 96, 98, 112, 122, 147, 168, 183, 192, 196, 224, 244, 294, 336, 343, 366, 392, 427, 448, 488, 588, 672, 686, 732, 784, 854, 976, 1029, 1176, 1281, 1344, 1372, 1464, 1568, 1708, 1952, 2058, 2352, 2401, 2562, 2744, 2928, 2989, 3136, 3416, 3904, 4116, 4704, 4802, 5124, 5488, 5856, 5978, 6832, 7203, 8232, 8967, 9408, 9604, 10248, 10976, 11712, 11956, 13664, 14406, 16464, 17934, 19208, 20496, 20923, 21952, 23912, 27328, 28812, 32928, 35868, 38416, 40992, 41846, 47824, 57624, 62769, 65856, 71736, 76832, 81984, 83692, 95648, 115248, 125538, 143472, 146461, 153664, 167384, 191296, 230496, 251076, 286944, 292922, 334768, 439383, 460992, 502152, 573888, 585844, 669536, 878766, 1004304, 1171688, 1339072, 1757532, 2008608, 2343376, 3515064, 4017216, 4686752, 7030128, 9373504, 14060256, 28120512]

約数ペア:

[(1, 28120512), (2, 14060256), (3, 9373504), (4, 7030128), (6, 4686752), (7, 4017216), (8, 3515064), (12, 2343376), (14, 2008608), (16, 1757532), (21, 1339072), (24, 1171688), (28, 1004304), (32, 878766), (42, 669536), (48, 585844), (49, 573888), (56, 502152), (61, 460992), (64, 439383), (84, 334768), (96, 292922), (98, 286944), (112, 251076), (122, 230496), (147, 191296), (168, 167384), (183, 153664), (192, 146461), (196, 143472), (224, 125538), (244, 115248), (294, 95648), (336, 83692), (343, 81984), (366, 76832), (392, 71736), (427, 65856), (448, 62769), (488, 57624), (588, 47824), (672, 41846), (686, 40992), (732, 38416), (784, 35868), (854, 32928), (976, 28812), (1029, 27328), (1176, 23912), (1281, 21952), (1344, 20923), (1372, 20496), (1464, 19208), (1568, 17934), (1708, 16464), (1952, 14406), (2058, 13664), (2352, 11956), (2401, 11712), (2562, 10976), (2744, 10248), (2928, 9604), (2989, 9408), (3136, 8967), (3416, 8232), (3904, 7203), (4116, 6832), (4704, 5978), (4802, 5856), (5124, 5488)]