81401664554

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{41830249}}^1$

素因数の和:41830397

約数の個数: 16

約数和(自身を含む): 140549640000

約数和(自身を除く): 59147975446

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 41830249, 83660498, 292811743, 585623486, 5814404611, 11628809222, 40700832277, 81401664554]

約数ペア:

[(1, 81401664554), (2, 40700832277), (7, 11628809222), (14, 5814404611), (139, 585623486), (278, 292811743), (973, 83660498), (1946, 41830249)]