12391771

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 14598144

約数和(自身を除く): 2206373

約数列:

[1, 7, 53, 127, 263, 371, 889, 1841, 6731, 13939, 33401, 47117, 97573, 233807, 1770253, 12391771]

約数ペア:

[(1, 12391771), (7, 1770253), (53, 233807), (127, 97573), (263, 47117), (371, 33401), (889, 13939), (1841, 6731)]