660393008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{28643}}^1$

素因数の和:28793

約数の個数: 40

約数和(自身を含む): 1406534976

約数和(自身を除く): 746141968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 131, 176, 262, 524, 1048, 1441, 2096, 2882, 5764, 11528, 23056, 28643, 57286, 114572, 229144, 315073, 458288, 630146, 1260292, 2520584, 3752233, 5041168, 7504466, 15008932, 30017864, 41274563, 60035728, 82549126, 165098252, 330196504, 660393008]

約数ペア:

[(1, 660393008), (2, 330196504), (4, 165098252), (8, 82549126), (11, 60035728), (16, 41274563), (22, 30017864), (44, 15008932), (88, 7504466), (131, 5041168), (176, 3752233), (262, 2520584), (524, 1260292), (1048, 630146), (1441, 458288), (2096, 315073), (2882, 229144), (5764, 114572), (11528, 57286), (23056, 28643)]