520856

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 1140480

約数和(自身を除く): 619624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 131, 142, 262, 284, 497, 524, 568, 917, 994, 1048, 1834, 1988, 3668, 3976, 7336, 9301, 18602, 37204, 65107, 74408, 130214, 260428, 520856]

約数ペア:

[(1, 520856), (2, 260428), (4, 130214), (7, 74408), (8, 65107), (14, 37204), (28, 18602), (56, 9301), (71, 7336), (131, 3976), (142, 3668), (262, 1988), (284, 1834), (497, 1048), (524, 994), (568, 917)]