1256391997

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{1114811}}^1$

素因数の和:1114848

約数の個数: 12

約数和(自身を含む): 1525062816

約数和(自身を除く): 268670819

約数列:

[1, 7, 23, 49, 161, 1127, 1114811, 7803677, 25640653, 54625739, 179484571, 1256391997]

約数ペア:

[(1, 1256391997), (7, 179484571), (23, 54625739), (49, 25640653), (161, 7803677), (1127, 1114811)]