28765796

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 54700800

約数和(自身を除く): 25935004

約数列:

[1, 2, 4, 29, 43, 58, 73, 79, 86, 116, 146, 158, 172, 292, 316, 1247, 2117, 2291, 2494, 3139, 3397, 4234, 4582, 4988, 5767, 6278, 6794, 8468, 9164, 11534, 12556, 13588, 23068, 91031, 98513, 167243, 182062, 197026, 247981, 334486, 364124, 394052, 495962, 668972, 991924, 7191449, 14382898, 28765796]

約数ペア:

[(1, 28765796), (2, 14382898), (4, 7191449), (29, 991924), (43, 668972), (58, 495962), (73, 394052), (79, 364124), (86, 334486), (116, 247981), (146, 197026), (158, 182062), (172, 167243), (292, 98513), (316, 91031), (1247, 23068), (2117, 13588), (2291, 12556), (2494, 11534), (3139, 9164), (3397, 8468), (4234, 6794), (4582, 6278), (4988, 5767)]