215070191

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{4729}}^1$

素因数の和:4898

約数の個数: 16

約数和(自身を含む): 252014400

約数和(自身を除く): 36944209

約数列:

[1, 7, 73, 89, 511, 623, 4729, 6497, 33103, 45479, 345217, 420881, 2416519, 2946167, 30724313, 215070191]

約数ペア:

[(1, 215070191), (7, 30724313), (73, 2946167), (89, 2416519), (511, 420881), (623, 345217), (4729, 45479), (6497, 33103)]