28012376

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 63590400

約数和(自身を除く): 35578024

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 47, 56, 58, 94, 116, 188, 203, 232, 329, 367, 376, 406, 658, 734, 812, 1316, 1363, 1468, 1624, 2569, 2632, 2726, 2936, 5138, 5452, 9541, 10276, 10643, 10904, 17249, 19082, 20552, 21286, 34498, 38164, 42572, 68996, 74501, 76328, 85144, 120743, 137992, 149002, 241486, 298004, 482972, 500221, 596008, 965944, 1000442, 2000884, 3501547, 4001768, 7003094, 14006188, 28012376]

約数ペア:

[(1, 28012376), (2, 14006188), (4, 7003094), (7, 4001768), (8, 3501547), (14, 2000884), (28, 1000442), (29, 965944), (47, 596008), (56, 500221), (58, 482972), (94, 298004), (116, 241486), (188, 149002), (203, 137992), (232, 120743), (329, 85144), (367, 76328), (376, 74501), (406, 68996), (658, 42572), (734, 38164), (812, 34498), (1316, 21286), (1363, 20552), (1468, 19082), (1624, 17249), (2569, 10904), (2632, 10643), (2726, 10276), (2936, 9541), (5138, 5452)]