319944989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{20323}}^1$

素因数の和:20516

約数の個数: 16

約数和(自身を含む): 396074112

約数和(自身を除く): 76129123

約数列:

[1, 7, 13, 91, 173, 1211, 2249, 15743, 20323, 142261, 264199, 1849393, 3515879, 24611153, 45706427, 319944989]

約数ペア:

[(1, 319944989), (7, 45706427), (13, 24611153), (91, 3515879), (173, 1849393), (1211, 264199), (2249, 142261), (15743, 20323)]