64648276

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 141668352

約数和(自身を除く): 77020076

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 431, 487, 862, 974, 1724, 1948, 3017, 3409, 4741, 5357, 6034, 6818, 9482, 10714, 12068, 13636, 18964, 21428, 33187, 37499, 66374, 74998, 132748, 149996, 209897, 419794, 839588, 1469279, 2308867, 2938558, 4617734, 5877116, 9235468, 16162069, 32324138, 64648276]

約数ペア:

[(1, 64648276), (2, 32324138), (4, 16162069), (7, 9235468), (11, 5877116), (14, 4617734), (22, 2938558), (28, 2308867), (44, 1469279), (77, 839588), (154, 419794), (308, 209897), (431, 149996), (487, 132748), (862, 74998), (974, 66374), (1724, 37499), (1948, 33187), (3017, 21428), (3409, 18964), (4741, 13636), (5357, 12068), (6034, 10714), (6818, 9482)]