81754638

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{487}}^1\times {\mathrm{571}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 190929024

約数和(自身を除く): 109174386

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 487, 571, 974, 1142, 1461, 1713, 2922, 3409, 3426, 3997, 6818, 7994, 10227, 11991, 20454, 23863, 23982, 27979, 47726, 55958, 71589, 83937, 143178, 167874, 278077, 556154, 834231, 1668462, 1946539, 3893078, 5839617, 11679234, 13625773, 27251546, 40877319, 81754638]

約数ペア:

[(1, 81754638), (2, 40877319), (3, 27251546), (6, 13625773), (7, 11679234), (14, 5839617), (21, 3893078), (42, 1946539), (49, 1668462), (98, 834231), (147, 556154), (294, 278077), (487, 167874), (571, 143178), (974, 83937), (1142, 71589), (1461, 55958), (1713, 47726), (2922, 27979), (3409, 23982), (3426, 23863), (3997, 20454), (6818, 11991), (7994, 10227)]