989898208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 2162692224

約数和(自身を除く): 1172794016

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 197, 208, 257, 376, 394, 416, 514, 611, 752, 788, 1028, 1222, 1504, 1576, 2056, 2444, 2561, 3152, 3341, 4112, 4888, 5122, 6304, 6682, 8224, 9259, 9776, 10244, 12079, 13364, 18518, 19552, 20488, 24158, 26728, 37036, 40976, 48316, 50629, 53456, 74072, 81952, 96632, 101258, 106912, 120367, 148144, 157027, 193264, 202516, 240734, 296288, 314054, 386528, 405032, 481468, 628108, 658177, 810064, 962936, 1256216, 1316354, 1620128, 1925872, 2379563, 2512432, 2632708, 3851744, 4759126, 5024864, 5265416, 9518252, 10530832, 19036504, 21061664, 30934319, 38073008, 61868638, 76146016, 123737276, 247474552, 494949104, 989898208]

約数ペア:

[(1, 989898208), (2, 494949104), (4, 247474552), (8, 123737276), (13, 76146016), (16, 61868638), (26, 38073008), (32, 30934319), (47, 21061664), (52, 19036504), (94, 10530832), (104, 9518252), (188, 5265416), (197, 5024864), (208, 4759126), (257, 3851744), (376, 2632708), (394, 2512432), (416, 2379563), (514, 1925872), (611, 1620128), (752, 1316354), (788, 1256216), (1028, 962936), (1222, 810064), (1504, 658177), (1576, 628108), (2056, 481468), (2444, 405032), (2561, 386528), (3152, 314054), (3341, 296288), (4112, 240734), (4888, 202516), (5122, 193264), (6304, 157027), (6682, 148144), (8224, 120367), (9259, 106912), (9776, 101258), (10244, 96632), (12079, 81952), (13364, 74072), (18518, 53456), (19552, 50629), (20488, 48316), (24158, 40976), (26728, 37036)]