31116176

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 78369984

約数和(自身を除く): 47253808

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 49, 52, 56, 71, 86, 91, 98, 104, 112, 142, 172, 182, 196, 208, 284, 301, 344, 364, 392, 497, 559, 568, 602, 637, 688, 728, 784, 923, 994, 1118, 1136, 1204, 1274, 1456, 1846, 1988, 2107, 2236, 2408, 2548, 3053, 3479, 3692, 3913, 3976, 4214, 4472, 4816, 5096, 6106, 6461, 6958, 7384, 7826, 7952, 8428, 8944, 10192, 12212, 12922, 13916, 14768, 15652, 16856, 21371, 24424, 25844, 27391, 27832, 31304, 33712, 39689, 42742, 45227, 48848, 51688, 54782, 55664, 62608, 79378, 85484, 90454, 103376, 109564, 149597, 158756, 170968, 180908, 219128, 277823, 299194, 317512, 341936, 361816, 438256, 555646, 598388, 635024, 723632, 1111292, 1196776, 1944761, 2222584, 2393552, 3889522, 4445168, 7779044, 15558088, 31116176]

約数ペア:

[(1, 31116176), (2, 15558088), (4, 7779044), (7, 4445168), (8, 3889522), (13, 2393552), (14, 2222584), (16, 1944761), (26, 1196776), (28, 1111292), (43, 723632), (49, 635024), (52, 598388), (56, 555646), (71, 438256), (86, 361816), (91, 341936), (98, 317512), (104, 299194), (112, 277823), (142, 219128), (172, 180908), (182, 170968), (196, 158756), (208, 149597), (284, 109564), (301, 103376), (344, 90454), (364, 85484), (392, 79378), (497, 62608), (559, 55664), (568, 54782), (602, 51688), (637, 48848), (688, 45227), (728, 42742), (784, 39689), (923, 33712), (994, 31304), (1118, 27832), (1136, 27391), (1204, 25844), (1274, 24424), (1456, 21371), (1846, 16856), (1988, 15652), (2107, 14768), (2236, 13916), (2408, 12922), (2548, 12212), (3053, 10192), (3479, 8944), (3692, 8428), (3913, 7952), (3976, 7826), (4214, 7384), (4472, 6958), (4816, 6461), (5096, 6106)]