81470144

素因数分解:

$2^6\times 7^2\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 84

約数和(自身を含む): 190935864

約数和(自身を除く): 109465720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 83, 98, 112, 166, 196, 224, 313, 332, 392, 448, 581, 626, 664, 784, 1162, 1252, 1328, 1568, 2191, 2324, 2504, 2656, 3136, 4067, 4382, 4648, 5008, 5312, 8134, 8764, 9296, 10016, 15337, 16268, 17528, 18592, 20032, 25979, 30674, 32536, 35056, 37184, 51958, 61348, 65072, 70112, 103916, 122696, 130144, 140224, 181853, 207832, 245392, 260288, 363706, 415664, 490784, 727412, 831328, 981568, 1272971, 1454824, 1662656, 2545942, 2909648, 5091884, 5819296, 10183768, 11638592, 20367536, 40735072, 81470144]

約数ペア:

[(1, 81470144), (2, 40735072), (4, 20367536), (7, 11638592), (8, 10183768), (14, 5819296), (16, 5091884), (28, 2909648), (32, 2545942), (49, 1662656), (56, 1454824), (64, 1272971), (83, 981568), (98, 831328), (112, 727412), (166, 490784), (196, 415664), (224, 363706), (313, 260288), (332, 245392), (392, 207832), (448, 181853), (581, 140224), (626, 130144), (664, 122696), (784, 103916), (1162, 70112), (1252, 65072), (1328, 61348), (1568, 51958), (2191, 37184), (2324, 35056), (2504, 32536), (2656, 30674), (3136, 25979), (4067, 20032), (4382, 18592), (4648, 17528), (5008, 16268), (5312, 15337), (8134, 10016), (8764, 9296)]