258509667

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 400813920

約数和(自身を除く): 142304253

約数列:

[1, 3, 13, 17, 39, 51, 89, 169, 221, 267, 337, 507, 663, 1011, 1157, 1513, 2873, 3471, 4381, 4539, 5729, 8619, 13143, 15041, 17187, 19669, 29993, 45123, 56953, 59007, 74477, 89979, 170859, 223431, 255697, 389909, 509881, 767091, 968201, 1169727, 1529643, 2904603, 5068817, 6628453, 15206451, 19885359, 86169889, 258509667]

約数ペア:

[(1, 258509667), (3, 86169889), (13, 19885359), (17, 15206451), (39, 6628453), (51, 5068817), (89, 2904603), (169, 1529643), (221, 1169727), (267, 968201), (337, 767091), (507, 509881), (663, 389909), (1011, 255697), (1157, 223431), (1513, 170859), (2873, 89979), (3471, 74477), (4381, 59007), (4539, 56953), (5729, 45123), (8619, 29993), (13143, 19669), (15041, 17187)]