201988913

素因数分解:

$7^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 233172864

約数和(自身を除く): 31183951

約数列:

[1, 7, 227, 317, 401, 1589, 2219, 2807, 71959, 91027, 127117, 503713, 637189, 889819, 28855559, 201988913]

約数ペア:

[(1, 201988913), (7, 28855559), (227, 889819), (317, 637189), (401, 503713), (1589, 127117), (2219, 91027), (2807, 71959)]