209075286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{12539}}^1$

素因数の和:12948

約数の個数: 32

約数和(自身を含む): 479128320

約数和(自身を除く): 270053034

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 397, 794, 1191, 2382, 2779, 5558, 8337, 12539, 16674, 25078, 37617, 75234, 87773, 175546, 263319, 526638, 4977983, 9955966, 14933949, 29867898, 34845881, 69691762, 104537643, 209075286]

約数ペア:

[(1, 209075286), (2, 104537643), (3, 69691762), (6, 34845881), (7, 29867898), (14, 14933949), (21, 9955966), (42, 4977983), (397, 526638), (794, 263319), (1191, 175546), (2382, 87773), (2779, 75234), (5558, 37617), (8337, 25078), (12539, 16674)]