261755648

素因数分解:

$2^8\times 7^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 667161600

約数和(自身を除く): 405405952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 256, 271, 308, 343, 352, 392, 448, 539, 542, 616, 686, 704, 784, 896, 1078, 1084, 1232, 1372, 1408, 1568, 1792, 1897, 2156, 2168, 2464, 2744, 2816, 2981, 3136, 3773, 3794, 4312, 4336, 4928, 5488, 5962, 6272, 7546, 7588, 8624, 8672, 9856, 10976, 11924, 12544, 13279, 15092, 15176, 17248, 17344, 19712, 20867, 21952, 23848, 26558, 30184, 30352, 34496, 34688, 41734, 43904, 47696, 53116, 60368, 60704, 68992, 69376, 83468, 87808, 92953, 95392, 106232, 120736, 121408, 137984, 146069, 166936, 185906, 190784, 212464, 241472, 242816, 292138, 333872, 371812, 381568, 424928, 482944, 485632, 584276, 667744, 743624, 763136, 849856, 965888, 1022483, 1168552, 1335488, 1487248, 1699712, 2044966, 2337104, 2670976, 2974496, 3399424, 4089932, 4674208, 5341952, 5948992, 8179864, 9348416, 11897984, 16359728, 18696832, 23795968, 32719456, 37393664, 65438912, 130877824, 261755648]

約数ペア:

[(1, 261755648), (2, 130877824), (4, 65438912), (7, 37393664), (8, 32719456), (11, 23795968), (14, 18696832), (16, 16359728), (22, 11897984), (28, 9348416), (32, 8179864), (44, 5948992), (49, 5341952), (56, 4674208), (64, 4089932), (77, 3399424), (88, 2974496), (98, 2670976), (112, 2337104), (128, 2044966), (154, 1699712), (176, 1487248), (196, 1335488), (224, 1168552), (256, 1022483), (271, 965888), (308, 849856), (343, 763136), (352, 743624), (392, 667744), (448, 584276), (539, 485632), (542, 482944), (616, 424928), (686, 381568), (704, 371812), (784, 333872), (896, 292138), (1078, 242816), (1084, 241472), (1232, 212464), (1372, 190784), (1408, 185906), (1568, 166936), (1792, 146069), (1897, 137984), (2156, 121408), (2168, 120736), (2464, 106232), (2744, 95392), (2816, 92953), (2981, 87808), (3136, 83468), (3773, 69376), (3794, 68992), (4312, 60704), (4336, 60368), (4928, 53116), (5488, 47696), (5962, 43904), (6272, 41734), (7546, 34688), (7588, 34496), (8624, 30352), (8672, 30184), (9856, 26558), (10976, 23848), (11924, 21952), (12544, 20867), (13279, 19712), (15092, 17344), (15176, 17248)]