28699328

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:142

約数の個数: 84

約数和(自身を含む): 68793360

約数和(自身を除く): 40094032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 47, 56, 58, 64, 94, 112, 116, 188, 203, 224, 232, 329, 376, 406, 448, 464, 658, 752, 812, 928, 1316, 1363, 1504, 1624, 1856, 2209, 2632, 2726, 3008, 3248, 4418, 5264, 5452, 6496, 8836, 9541, 10528, 10904, 12992, 15463, 17672, 19082, 21056, 21808, 30926, 35344, 38164, 43616, 61852, 64061, 70688, 76328, 87232, 123704, 128122, 141376, 152656, 247408, 256244, 305312, 448427, 494816, 512488, 610624, 896854, 989632, 1024976, 1793708, 2049952, 3587416, 4099904, 7174832, 14349664, 28699328]

約数ペア:

[(1, 28699328), (2, 14349664), (4, 7174832), (7, 4099904), (8, 3587416), (14, 2049952), (16, 1793708), (28, 1024976), (29, 989632), (32, 896854), (47, 610624), (56, 512488), (58, 494816), (64, 448427), (94, 305312), (112, 256244), (116, 247408), (188, 152656), (203, 141376), (224, 128122), (232, 123704), (329, 87232), (376, 76328), (406, 70688), (448, 64061), (464, 61852), (658, 43616), (752, 38164), (812, 35344), (928, 30926), (1316, 21808), (1363, 21056), (1504, 19082), (1624, 17672), (1856, 15463), (2209, 12992), (2632, 10904), (2726, 10528), (3008, 9541), (3248, 8836), (4418, 6496), (5264, 5452)]