2108906639

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{81359}}^1$

素因数の和:81419

約数の個数: 18

約数和(自身を含む): 2564548560

約数和(自身を除く): 455641921

約数列:

[1, 7, 23, 49, 161, 529, 1127, 3703, 25921, 81359, 569513, 1871257, 3986591, 13098799, 43038911, 91691593, 301272377, 2108906639]

約数ペア:

[(1, 2108906639), (7, 301272377), (23, 91691593), (49, 43038911), (161, 13098799), (529, 3986591), (1127, 1871257), (3703, 569513), (25921, 81359)]