2690149

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 32

約数和(自身を含む): 3686400

約数和(自身を除く): 996251

約数列:

[1, 7, 11, 23, 31, 49, 77, 161, 217, 253, 341, 343, 539, 713, 1127, 1519, 1771, 2387, 3773, 4991, 7843, 7889, 10633, 12397, 16709, 34937, 54901, 86779, 116963, 244559, 384307, 2690149]

約数ペア:

[(1, 2690149), (7, 384307), (11, 244559), (23, 116963), (31, 86779), (49, 54901), (77, 34937), (161, 16709), (217, 12397), (253, 10633), (341, 7889), (343, 7843), (539, 4991), (713, 3773), (1127, 2387), (1519, 1771)]