211656536

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{290737}}^1$

素因数の和:290763

約数の個数: 32

約数和(自身を含む): 488439840

約数和(自身を除く): 276783304

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 290737, 581474, 1162948, 2035159, 2325896, 3779581, 4070318, 7559162, 8140636, 15118324, 16281272, 26457067, 30236648, 52914134, 105828268, 211656536]

約数ペア:

[(1, 211656536), (2, 105828268), (4, 52914134), (7, 30236648), (8, 26457067), (13, 16281272), (14, 15118324), (26, 8140636), (28, 7559162), (52, 4070318), (56, 3779581), (91, 2325896), (104, 2035159), (182, 1162948), (364, 581474), (728, 290737)]