821448368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3949271}}^1$

素因数の和:3949292

約数の個数: 20

約数和(自身を含む): 1713984048

約数和(自身を除く): 892535680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3949271, 7898542, 15797084, 31594168, 51340523, 63188336, 102681046, 205362092, 410724184, 821448368]

約数ペア:

[(1, 821448368), (2, 410724184), (4, 205362092), (8, 102681046), (13, 63188336), (16, 51340523), (26, 31594168), (52, 15797084), (104, 7898542), (208, 3949271)]