218635217

素因数分解:

${\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 231524352

約数和(自身を除く): 12889135

約数列:

[1, 23, 157, 191, 317, 3611, 4393, 7291, 29987, 49769, 60547, 689701, 1144687, 1392581, 9505879, 218635217]

約数ペア:

[(1, 218635217), (23, 9505879), (157, 1392581), (191, 1144687), (317, 689701), (3611, 60547), (4393, 49769), (7291, 29987)]