251435968

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:418

約数の個数: 112

約数和(自身を含む): 607974400

約数和(自身を除く): 356538432

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 109, 112, 133, 152, 218, 224, 266, 271, 304, 436, 448, 532, 542, 608, 763, 872, 1064, 1084, 1216, 1526, 1744, 1897, 2071, 2128, 2168, 3052, 3488, 3794, 4142, 4256, 4336, 5149, 6104, 6976, 7588, 8284, 8512, 8672, 10298, 12208, 14497, 15176, 16568, 17344, 20596, 24416, 28994, 29539, 30352, 33136, 36043, 41192, 48832, 57988, 59078, 60704, 66272, 72086, 82384, 115976, 118156, 121408, 132544, 144172, 164768, 206773, 231952, 236312, 288344, 329536, 413546, 463904, 472624, 561241, 576688, 827092, 927808, 945248, 1122482, 1153376, 1654184, 1890496, 2244964, 2306752, 3308368, 3928687, 4489928, 6616736, 7857374, 8979856, 13233472, 15714748, 17959712, 31429496, 35919424, 62858992, 125717984, 251435968]

約数ペア:

[(1, 251435968), (2, 125717984), (4, 62858992), (7, 35919424), (8, 31429496), (14, 17959712), (16, 15714748), (19, 13233472), (28, 8979856), (32, 7857374), (38, 6616736), (56, 4489928), (64, 3928687), (76, 3308368), (109, 2306752), (112, 2244964), (133, 1890496), (152, 1654184), (218, 1153376), (224, 1122482), (266, 945248), (271, 927808), (304, 827092), (436, 576688), (448, 561241), (532, 472624), (542, 463904), (608, 413546), (763, 329536), (872, 288344), (1064, 236312), (1084, 231952), (1216, 206773), (1526, 164768), (1744, 144172), (1897, 132544), (2071, 121408), (2128, 118156), (2168, 115976), (3052, 82384), (3488, 72086), (3794, 66272), (4142, 60704), (4256, 59078), (4336, 57988), (5149, 48832), (6104, 41192), (6976, 36043), (7588, 33136), (8284, 30352), (8512, 29539), (8672, 28994), (10298, 24416), (12208, 20596), (14497, 17344), (15176, 16568)]