28449408

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 83966400

約数和(自身を除く): 55516992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 41, 48, 52, 64, 78, 82, 96, 104, 123, 128, 139, 156, 164, 192, 208, 246, 278, 312, 328, 384, 416, 417, 492, 533, 556, 624, 656, 832, 834, 984, 1066, 1112, 1248, 1312, 1599, 1664, 1668, 1807, 1968, 2132, 2224, 2496, 2624, 3198, 3336, 3614, 3936, 4264, 4448, 4992, 5248, 5421, 5699, 6396, 6672, 7228, 7872, 8528, 8896, 10842, 11398, 12792, 13344, 14456, 15744, 17056, 17097, 17792, 21684, 22796, 25584, 26688, 28912, 34112, 34194, 43368, 45592, 51168, 53376, 57824, 68224, 68388, 74087, 86736, 91184, 102336, 115648, 136776, 148174, 173472, 182368, 204672, 222261, 231296, 273552, 296348, 346944, 364736, 444522, 547104, 592696, 693888, 729472, 889044, 1094208, 1185392, 1778088, 2188416, 2370784, 3556176, 4741568, 7112352, 9483136, 14224704, 28449408]

約数ペア:

[(1, 28449408), (2, 14224704), (3, 9483136), (4, 7112352), (6, 4741568), (8, 3556176), (12, 2370784), (13, 2188416), (16, 1778088), (24, 1185392), (26, 1094208), (32, 889044), (39, 729472), (41, 693888), (48, 592696), (52, 547104), (64, 444522), (78, 364736), (82, 346944), (96, 296348), (104, 273552), (123, 231296), (128, 222261), (139, 204672), (156, 182368), (164, 173472), (192, 148174), (208, 136776), (246, 115648), (278, 102336), (312, 91184), (328, 86736), (384, 74087), (416, 68388), (417, 68224), (492, 57824), (533, 53376), (556, 51168), (624, 45592), (656, 43368), (832, 34194), (834, 34112), (984, 28912), (1066, 26688), (1112, 25584), (1248, 22796), (1312, 21684), (1599, 17792), (1664, 17097), (1668, 17056), (1807, 15744), (1968, 14456), (2132, 13344), (2224, 12792), (2496, 11398), (2624, 10842), (3198, 8896), (3336, 8528), (3614, 7872), (3936, 7228), (4264, 6672), (4448, 6396), (4992, 5699), (5248, 5421)]