28457832

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 77172480

約数和(自身を除く): 48714648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 197, 312, 394, 463, 591, 788, 926, 1182, 1389, 1576, 1852, 2364, 2561, 2778, 3704, 4728, 5122, 5556, 6019, 7683, 10244, 11112, 12038, 15366, 18057, 20488, 24076, 30732, 36114, 48152, 61464, 72228, 91211, 144456, 182422, 273633, 364844, 547266, 729688, 1094532, 1185743, 2189064, 2371486, 3557229, 4742972, 7114458, 9485944, 14228916, 28457832]

約数ペア:

[(1, 28457832), (2, 14228916), (3, 9485944), (4, 7114458), (6, 4742972), (8, 3557229), (12, 2371486), (13, 2189064), (24, 1185743), (26, 1094532), (39, 729688), (52, 547266), (78, 364844), (104, 273633), (156, 182422), (197, 144456), (312, 91211), (394, 72228), (463, 61464), (591, 48152), (788, 36114), (926, 30732), (1182, 24076), (1389, 20488), (1576, 18057), (1852, 15366), (2364, 12038), (2561, 11112), (2778, 10244), (3704, 7683), (4728, 6019), (5122, 5556)]