81900564466

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{42086621}}^1$

素因数の和:42086769

約数の個数: 16

約数和(自身を含む): 141411049920

約数和(自身を除く): 59510485454

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 42086621, 84173242, 294606347, 589212694, 5850040319, 11700080638, 40950282233, 81900564466]

約数ペア:

[(1, 81900564466), (2, 40950282233), (7, 11700080638), (14, 5850040319), (139, 589212694), (278, 294606347), (973, 84173242), (1946, 42086621)]