1780974433

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{1580279}}^1$

素因数の和:1580316

約数の個数: 12

約数和(自身を含む): 2161823040

約数和(自身を除く): 380848607

約数列:

[1, 7, 23, 49, 161, 1127, 1580279, 11061953, 36346417, 77433671, 254424919, 1780974433]

約数ペア:

[(1, 1780974433), (7, 254424919), (23, 77433671), (49, 36346417), (161, 11061953), (1127, 1580279)]