78408904

素因数分解:

$2^3\times 7^1\times {\mathrm{1400159}}^1$

素因数の和:1400172

約数の個数: 16

約数和(自身を含む): 168019200

約数和(自身を除く): 89610296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1400159, 2800318, 5600636, 9801113, 11201272, 19602226, 39204452, 78408904]

約数ペア:

[(1, 78408904), (2, 39204452), (4, 19602226), (7, 11201272), (8, 9801113), (14, 5600636), (28, 2800318), (56, 1400159)]