78814316

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{21487}}^1$

素因数の和:21629

約数の個数: 24

約数和(自身を含む): 158839296

約数和(自身を除く): 80024980

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 21487, 42974, 85948, 150409, 300818, 601636, 2814797, 5629594, 11259188, 19703579, 39407158, 78814316]

約数ペア:

[(1, 78814316), (2, 39407158), (4, 19703579), (7, 11259188), (14, 5629594), (28, 2814797), (131, 601636), (262, 300818), (524, 150409), (917, 85948), (1834, 42974), (3668, 21487)]