78151276

素因数分解:

$2^2\times 7^2\times {\mathrm{398731}}^1$

素因数の和:398749

約数の個数: 18

約数和(自身を含む): 159094068

約数和(自身を除く): 80942792

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 398731, 797462, 1594924, 2791117, 5582234, 11164468, 19537819, 39075638, 78151276]

約数ペア:

[(1, 78151276), (2, 39075638), (4, 19537819), (7, 11164468), (14, 5582234), (28, 2791117), (49, 1594924), (98, 797462), (196, 398731)]