664006987

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{589181}}^1$

素因数の和:589218

約数の個数: 12

約数和(自身を含む): 806000976

約数和(自身を除く): 141993989

約数列:

[1, 7, 23, 49, 161, 1127, 589181, 4124267, 13551163, 28869869, 94858141, 664006987]

約数ペア:

[(1, 664006987), (7, 94858141), (23, 28869869), (49, 13551163), (161, 4124267), (1127, 589181)]