821485728

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{407483}}^1$

素因数の和:407506

約数の個数: 72

約数和(自身を含む): 2669835168

約数和(自身を除く): 1848349440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 407483, 814966, 1222449, 1629932, 2444898, 2852381, 3259864, 3667347, 4889796, 5704762, 6519728, 7334694, 8557143, 9779592, 11409524, 13039456, 14669388, 17114286, 19559184, 22819048, 25671429, 29338776, 34228572, 39118368, 45638096, 51342858, 58677552, 68457144, 91276192, 102685716, 117355104, 136914288, 205371432, 273828576, 410742864, 821485728]

約数ペア:

[(1, 821485728), (2, 410742864), (3, 273828576), (4, 205371432), (6, 136914288), (7, 117355104), (8, 102685716), (9, 91276192), (12, 68457144), (14, 58677552), (16, 51342858), (18, 45638096), (21, 39118368), (24, 34228572), (28, 29338776), (32, 25671429), (36, 22819048), (42, 19559184), (48, 17114286), (56, 14669388), (63, 13039456), (72, 11409524), (84, 9779592), (96, 8557143), (112, 7334694), (126, 6519728), (144, 5704762), (168, 4889796), (224, 3667347), (252, 3259864), (288, 2852381), (336, 2444898), (504, 1629932), (672, 1222449), (1008, 814966), (2016, 407483)]