2149148981

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1\times {\mathrm{9203}}^1$

素因数の和:9740

約数の個数: 16

約数和(自身を含む): 2495535744

約数和(自身を除く): 346386763

約数列:

[1, 7, 73, 457, 511, 3199, 9203, 33361, 64421, 233527, 671819, 4205771, 4702733, 29440397, 307021283, 2149148981]

約数ペア:

[(1, 2149148981), (7, 307021283), (73, 29440397), (457, 4702733), (511, 4205771), (3199, 671819), (9203, 233527), (33361, 64421)]