490339982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{1123}}^1$

素因数の和:1448

約数の個数: 32

約数和(自身を含む): 815754240

約数和(自身を除く): 325414258

約数列:

[1, 2, 11, 22, 89, 178, 223, 446, 979, 1123, 1958, 2246, 2453, 4906, 12353, 19847, 24706, 39694, 99947, 199894, 218317, 250429, 436634, 500858, 1099417, 2198834, 2754719, 5509438, 22288181, 44576362, 245169991, 490339982]

約数ペア:

[(1, 490339982), (2, 245169991), (11, 44576362), (22, 22288181), (89, 5509438), (178, 2754719), (223, 2198834), (446, 1099417), (979, 500858), (1123, 436634), (1958, 250429), (2246, 218317), (2453, 199894), (4906, 99947), (12353, 39694), (19847, 24706)]