81321982

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{761}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 148132800

約数和(自身を除く): 66810818

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 449, 761, 898, 1522, 3143, 5327, 6286, 7633, 10654, 12937, 15266, 25874, 53431, 90559, 106862, 181118, 341689, 683378, 2391823, 4783646, 5808713, 11617426, 40660991, 81321982]

約数ペア:

[(1, 81321982), (2, 40660991), (7, 11617426), (14, 5808713), (17, 4783646), (34, 2391823), (119, 683378), (238, 341689), (449, 181118), (761, 106862), (898, 90559), (1522, 53431), (3143, 25874), (5327, 15266), (6286, 12937), (7633, 10654)]