51921064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 109549440

約数和(自身を除く): 57628376

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 103, 104, 131, 148, 206, 262, 296, 412, 481, 524, 824, 962, 1048, 1339, 1703, 1924, 2678, 3406, 3811, 3848, 4847, 5356, 6812, 7622, 9694, 10712, 13493, 13624, 15244, 19388, 26986, 30488, 38776, 49543, 53972, 63011, 99086, 107944, 126022, 175409, 198172, 252044, 350818, 396344, 499241, 504088, 701636, 998482, 1403272, 1996964, 3993928, 6490133, 12980266, 25960532, 51921064]

約数ペア:

[(1, 51921064), (2, 25960532), (4, 12980266), (8, 6490133), (13, 3993928), (26, 1996964), (37, 1403272), (52, 998482), (74, 701636), (103, 504088), (104, 499241), (131, 396344), (148, 350818), (206, 252044), (262, 198172), (296, 175409), (412, 126022), (481, 107944), (524, 99086), (824, 63011), (962, 53972), (1048, 49543), (1339, 38776), (1703, 30488), (1924, 26986), (2678, 19388), (3406, 15244), (3811, 13624), (3848, 13493), (4847, 10712), (5356, 9694), (6812, 7622)]