81288184

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{143113}}^1$

素因数の和:143190

約数の個数: 16

約数和(自身を含む): 154563120

約数和(自身を除く): 73274936

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 143113, 286226, 572452, 1144904, 10161023, 20322046, 40644092, 81288184]

約数ペア:

[(1, 81288184), (2, 40644092), (4, 20322046), (8, 10161023), (71, 1144904), (142, 572452), (284, 286226), (568, 143113)]