28909382008

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{809}}^1\times {\mathrm{26431}}^1$

素因数の和:27272

約数の個数: 48

約数和(自身を含む): 58770230400

約数和(自身を除く): 29860848392

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 809, 1352, 1618, 3236, 6472, 10517, 21034, 26431, 42068, 52862, 84136, 105724, 136721, 211448, 273442, 343603, 546884, 687206, 1093768, 1374412, 2748824, 4466839, 8933678, 17867356, 21382679, 35734712, 42765358, 85530716, 171061432, 277974827, 555949654, 1111899308, 2223798616, 3613672751, 7227345502, 14454691004, 28909382008]

約数ペア:

[(1, 28909382008), (2, 14454691004), (4, 7227345502), (8, 3613672751), (13, 2223798616), (26, 1111899308), (52, 555949654), (104, 277974827), (169, 171061432), (338, 85530716), (676, 42765358), (809, 35734712), (1352, 21382679), (1618, 17867356), (3236, 8933678), (6472, 4466839), (10517, 2748824), (21034, 1374412), (26431, 1093768), (42068, 687206), (52862, 546884), (84136, 343603), (105724, 273442), (136721, 211448)]