2644537

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 3255552

約数和(自身を除く): 611015

約数列:

[1, 7, 17, 71, 119, 313, 497, 1207, 2191, 5321, 8449, 22223, 37247, 155561, 377791, 2644537]

約数ペア:

[(1, 2644537), (7, 377791), (17, 155561), (71, 37247), (119, 22223), (313, 8449), (497, 5321), (1207, 2191)]