290834747

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{258061}}^1$

素因数の和:258098

約数の個数: 12

約数和(自身を含む): 353028816

約数和(自身を除く): 62194069

約数列:

[1, 7, 23, 49, 161, 1127, 258061, 1806427, 5935403, 12644989, 41547821, 290834747]

約数ペア:

[(1, 290834747), (7, 41547821), (23, 12644989), (49, 5935403), (161, 1806427), (1127, 258061)]