71315972

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{2153}}^1$

素因数の和:2197

約数の個数: 54

約数和(自身を含む): 157278618

約数和(自身を除く): 85962646

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 637, 676, 1183, 1274, 2153, 2366, 2548, 4306, 4732, 8281, 8612, 15071, 16562, 27989, 30142, 33124, 55978, 60284, 105497, 111956, 195923, 210994, 363857, 391846, 421988, 727714, 783692, 1371461, 1455428, 2546999, 2742922, 5093998, 5485844, 10187996, 17828993, 35657986, 71315972]

約数ペア:

[(1, 71315972), (2, 35657986), (4, 17828993), (7, 10187996), (13, 5485844), (14, 5093998), (26, 2742922), (28, 2546999), (49, 1455428), (52, 1371461), (91, 783692), (98, 727714), (169, 421988), (182, 391846), (196, 363857), (338, 210994), (364, 195923), (637, 111956), (676, 105497), (1183, 60284), (1274, 55978), (2153, 33124), (2366, 30142), (2548, 27989), (4306, 16562), (4732, 15071), (8281, 8612)]