2840138

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:486

約数の個数: 24

約数和(自身を含む): 5036292

約数和(自身を除く): 2196154

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 397, 511, 794, 1022, 2779, 3577, 5558, 7154, 19453, 28981, 38906, 57962, 202867, 405734, 1420069, 2840138]

約数ペア:

[(1, 2840138), (2, 1420069), (7, 405734), (14, 202867), (49, 57962), (73, 38906), (98, 28981), (146, 19453), (397, 7154), (511, 5558), (794, 3577), (1022, 2779)]