404379997

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{358811}}^1$

素因数の和:358848

約数の個数: 12

約数和(自身を含む): 490854816

約数和(自身を除く): 86474819

約数列:

[1, 7, 23, 49, 161, 1127, 358811, 2511677, 8252653, 17581739, 57768571, 404379997]

約数ペア:

[(1, 404379997), (7, 57768571), (23, 17581739), (49, 8252653), (161, 2511677), (1127, 358811)]