28681632

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:411

約数の個数: 144

約数和(自身を含む): 95764032

約数和(自身を除く): 67082400

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 41, 42, 48, 56, 63, 72, 82, 84, 96, 112, 123, 126, 144, 164, 168, 224, 246, 252, 287, 288, 328, 336, 347, 369, 492, 504, 574, 656, 672, 694, 738, 861, 984, 1008, 1041, 1148, 1312, 1388, 1476, 1722, 1968, 2016, 2082, 2296, 2429, 2583, 2776, 2952, 3123, 3444, 3936, 4164, 4592, 4858, 5166, 5552, 5904, 6246, 6888, 7287, 8328, 9184, 9716, 10332, 11104, 11808, 12492, 13776, 14227, 14574, 16656, 19432, 20664, 21861, 24984, 27552, 28454, 29148, 33312, 38864, 41328, 42681, 43722, 49968, 56908, 58296, 77728, 82656, 85362, 87444, 99589, 99936, 113816, 116592, 128043, 170724, 174888, 199178, 227632, 233184, 256086, 298767, 341448, 349776, 398356, 455264, 512172, 597534, 682896, 699552, 796712, 896301, 1024344, 1195068, 1365792, 1593424, 1792602, 2048688, 2390136, 3186848, 3585204, 4097376, 4780272, 7170408, 9560544, 14340816, 28681632]

約数ペア:

[(1, 28681632), (2, 14340816), (3, 9560544), (4, 7170408), (6, 4780272), (7, 4097376), (8, 3585204), (9, 3186848), (12, 2390136), (14, 2048688), (16, 1792602), (18, 1593424), (21, 1365792), (24, 1195068), (28, 1024344), (32, 896301), (36, 796712), (41, 699552), (42, 682896), (48, 597534), (56, 512172), (63, 455264), (72, 398356), (82, 349776), (84, 341448), (96, 298767), (112, 256086), (123, 233184), (126, 227632), (144, 199178), (164, 174888), (168, 170724), (224, 128043), (246, 116592), (252, 113816), (287, 99936), (288, 99589), (328, 87444), (336, 85362), (347, 82656), (369, 77728), (492, 58296), (504, 56908), (574, 49968), (656, 43722), (672, 42681), (694, 41328), (738, 38864), (861, 33312), (984, 29148), (1008, 28454), (1041, 27552), (1148, 24984), (1312, 21861), (1388, 20664), (1476, 19432), (1722, 16656), (1968, 14574), (2016, 14227), (2082, 13776), (2296, 12492), (2429, 11808), (2583, 11104), (2776, 10332), (2952, 9716), (3123, 9184), (3444, 8328), (3936, 7287), (4164, 6888), (4592, 6246), (4858, 5904), (5166, 5552)]