81663106

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{19379}}^1$

素因数の和:19438

約数の個数: 24

約数和(自身を含む): 145815120

約数和(自身を除く): 64152014

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 19379, 38758, 135653, 271306, 833297, 949571, 1666594, 1899142, 5833079, 11666158, 40831553, 81663106]

約数ペア:

[(1, 81663106), (2, 40831553), (7, 11666158), (14, 5833079), (43, 1899142), (49, 1666594), (86, 949571), (98, 833297), (301, 271306), (602, 135653), (2107, 38758), (4214, 19379)]